Home / 766,208.86-1,057,368.18-444,105.76

Finding the Fourth Proportional to 766,208.86, 1,057,368.18 and 444,105.76

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Solution

The fourth proportional to 766,208.86, 1,057,368.18 and 444,105.76 is: 612,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,208.86 : 1,057,368.18 = 444,105.76 : x
  2. Step 2: Convert to fraction form
    766,208.86/1,057,368.18 = 444,105.76/x
  3. Step 3: Cross multiply
    766,208.86x = 1,057,368.18 × 444,105.76
  4. Step 4: Simplify right side
    766,208.86x = 469,583,299,178.72
  5. Step 5: Solve for x
    x = 469,583,299,178.72/766,208.86
  6. Step 6: Final answer
    x = 612,865.92

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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.