Home / 527,240.20-727,590.34-285,522.02

Finding the Fourth Proportional to 527,240.20, 727,590.34 and 285,522.02

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Solution

The fourth proportional to 527,240.20, 727,590.34 and 285,522.02 is: 394,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,240.20 : 727,590.34 = 285,522.02 : x
  2. Step 2: Convert to fraction form
    527,240.20/727,590.34 = 285,522.02/x
  3. Step 3: Cross multiply
    527,240.20x = 727,590.34 × 285,522.02
  4. Step 4: Simplify right side
    527,240.20x = 207,743,063,609.29
  5. Step 5: Solve for x
    x = 207,743,063,609.29/527,240.20
  6. Step 6: Final answer
    x = 394,019.77

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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.