Home / 766,494.32-1,057,773.16-439,860.56

Finding the Fourth Proportional to 766,494.32, 1,057,773.16 and 439,860.56

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Solution

The fourth proportional to 766,494.32, 1,057,773.16 and 439,860.56 is: 607,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,494.32 : 1,057,773.16 = 439,860.56 : x
  2. Step 2: Convert to fraction form
    766,494.32/1,057,773.16 = 439,860.56/x
  3. Step 3: Cross multiply
    766,494.32x = 1,057,773.16 × 439,860.56
  4. Step 4: Simplify right side
    766,494.32x = 465,272,694,510.57
  5. Step 5: Solve for x
    x = 465,272,694,510.57/766,494.32
  6. Step 6: Final answer
    x = 607,013.88

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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.