Home / 526,584.77-726,685.40-284,867.28

Finding the Fourth Proportional to 526,584.77, 726,685.40 and 284,867.28

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Solution

The fourth proportional to 526,584.77, 726,685.40 and 284,867.28 is: 393,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,584.77 : 726,685.40 = 284,867.28 : x
  2. Step 2: Convert to fraction form
    526,584.77/726,685.40 = 284,867.28/x
  3. Step 3: Cross multiply
    526,584.77x = 726,685.40 × 284,867.28
  4. Step 4: Simplify right side
    526,584.77x = 207,008,890,232.56
  5. Step 5: Solve for x
    x = 207,008,890,232.56/526,584.77
  6. Step 6: Final answer
    x = 393,115.98

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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.