Home / 527,185.74-727,513.02-285,463.20

Finding the Fourth Proportional to 527,185.74, 727,513.02 and 285,463.20

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Solution

The fourth proportional to 527,185.74, 727,513.02 and 285,463.20 is: 393,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,185.74 : 727,513.02 = 285,463.20 : x
  2. Step 2: Convert to fraction form
    527,185.74/727,513.02 = 285,463.20/x
  3. Step 3: Cross multiply
    527,185.74x = 727,513.02 × 285,463.20
  4. Step 4: Simplify right side
    527,185.74x = 207,678,194,730.86
  5. Step 5: Solve for x
    x = 207,678,194,730.86/527,185.74
  6. Step 6: Final answer
    x = 393,937.43

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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.