Home / 766,357.10-1,057,572.08-444,253.91

Finding the Fourth Proportional to 766,357.10, 1,057,572.08 and 444,253.91

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Solution

The fourth proportional to 766,357.10, 1,057,572.08 and 444,253.91 is: 613,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,357.10 : 1,057,572.08 = 444,253.91 : x
  2. Step 2: Convert to fraction form
    766,357.10/1,057,572.08 = 444,253.91/x
  3. Step 3: Cross multiply
    766,357.10x = 1,057,572.08 × 444,253.91
  4. Step 4: Simplify right side
    766,357.10x = 469,830,531,646.83
  5. Step 5: Solve for x
    x = 469,830,531,646.83/766,357.10
  6. Step 6: Final answer
    x = 613,069.98

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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.