Home / 766,201.54-1,057,358.10-444,098.46

Finding the Fourth Proportional to 766,201.54, 1,057,358.10 and 444,098.46

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Solution

The fourth proportional to 766,201.54, 1,057,358.10 and 444,098.46 is: 612,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,201.54 : 1,057,358.10 = 444,098.46 : x
  2. Step 2: Convert to fraction form
    766,201.54/1,057,358.10 = 444,098.46/x
  3. Step 3: Cross multiply
    766,201.54x = 1,057,358.10 × 444,098.46
  4. Step 4: Simplify right side
    766,201.54x = 469,571,103,878.53
  5. Step 5: Solve for x
    x = 469,571,103,878.53/766,201.54
  6. Step 6: Final answer
    x = 612,855.86

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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.