Home / 728,536.75-1,005,657.86-547,773.71

Finding the Fourth Proportional to 728,536.75, 1,005,657.86 and 547,773.71

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Solution

The fourth proportional to 728,536.75, 1,005,657.86 and 547,773.71 is: 756,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,536.75 : 1,005,657.86 = 547,773.71 : x
  2. Step 2: Convert to fraction form
    728,536.75/1,005,657.86 = 547,773.71/x
  3. Step 3: Cross multiply
    728,536.75x = 1,005,657.86 × 547,773.71
  4. Step 4: Simplify right side
    728,536.75x = 550,872,933,304.01
  5. Step 5: Solve for x
    x = 550,872,933,304.01/728,536.75
  6. Step 6: Final answer
    x = 756,136.10

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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.