Home / 766,397.68-1,057,629.09-444,294.50

Finding the Fourth Proportional to 766,397.68, 1,057,629.09 and 444,294.50

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Solution

The fourth proportional to 766,397.68, 1,057,629.09 and 444,294.50 is: 613,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,397.68 : 1,057,629.09 = 444,294.50 : x
  2. Step 2: Convert to fraction form
    766,397.68/1,057,629.09 = 444,294.50/x
  3. Step 3: Cross multiply
    766,397.68x = 1,057,629.09 × 444,294.50
  4. Step 4: Simplify right side
    766,397.68x = 469,898,787,727.01
  5. Step 5: Solve for x
    x = 469,898,787,727.01/766,397.68
  6. Step 6: Final answer
    x = 613,126.58

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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.