Home / 6,645,605.70-9,968,408.55-5,031,353.66

Finding the Fourth Proportional to 6,645,605.70, 9,968,408.55 and 5,031,353.66

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Solution

The fourth proportional to 6,645,605.70, 9,968,408.55 and 5,031,353.66 is: 7,547,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,605.70 : 9,968,408.55 = 5,031,353.66 : x
  2. Step 2: Convert to fraction form
    6,645,605.70/9,968,408.55 = 5,031,353.66/x
  3. Step 3: Cross multiply
    6,645,605.70x = 9,968,408.55 × 5,031,353.66
  4. Step 4: Simplify right side
    6,645,605.70x = 50,154,588,842,417.80
  5. Step 5: Solve for x
    x = 50,154,588,842,417.80/6,645,605.70
  6. Step 6: Final answer
    x = 7,547,030.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.