Home / 526,724.24-726,877.98-285,010.91

Finding the Fourth Proportional to 526,724.24, 726,877.98 and 285,010.91

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Solution

The fourth proportional to 526,724.24, 726,877.98 and 285,010.91 is: 393,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,724.24 : 726,877.98 = 285,010.91 : x
  2. Step 2: Convert to fraction form
    526,724.24/726,877.98 = 285,010.91/x
  3. Step 3: Cross multiply
    526,724.24x = 726,877.98 × 285,010.91
  4. Step 4: Simplify right side
    526,724.24x = 207,168,154,538.76
  5. Step 5: Solve for x
    x = 207,168,154,538.76/526,724.24
  6. Step 6: Final answer
    x = 393,314.26

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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.