Home / 527,025.59-727,289.28-285,302.86

Finding the Fourth Proportional to 527,025.59, 727,289.28 and 285,302.86

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Solution

The fourth proportional to 527,025.59, 727,289.28 and 285,302.86 is: 393,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,025.59 : 727,289.28 = 285,302.86 : x
  2. Step 2: Convert to fraction form
    527,025.59/727,289.28 = 285,302.86/x
  3. Step 3: Cross multiply
    527,025.59x = 727,289.28 × 285,302.86
  4. Step 4: Simplify right side
    527,025.59x = 207,497,709,813.12
  5. Step 5: Solve for x
    x = 207,497,709,813.12/527,025.59
  6. Step 6: Final answer
    x = 393,714.68

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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.