Home / 6,742,328.89-9,302,208.78-4,126,105.63

Finding the Fourth Proportional to 6,742,328.89, 9,302,208.78 and 4,126,105.63

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Solution

The fourth proportional to 6,742,328.89, 9,302,208.78 and 4,126,105.63 is: 5,692,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742,328.89 : 9,302,208.78 = 4,126,105.63 : x
  2. Step 2: Convert to fraction form
    6,742,328.89/9,302,208.78 = 4,126,105.63/x
  3. Step 3: Cross multiply
    6,742,328.89x = 9,302,208.78 × 4,126,105.63
  4. Step 4: Simplify right side
    6,742,328.89x = 38,381,896,018,593.43
  5. Step 5: Solve for x
    x = 38,381,896,018,593.43/6,742,328.89
  6. Step 6: Final answer
    x = 5,692,676.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.