Home / 527,187.58-727,522.32-285,470.18

Finding the Fourth Proportional to 527,187.58, 727,522.32 and 285,470.18

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Solution

The fourth proportional to 527,187.58, 727,522.32 and 285,470.18 is: 393,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,187.58 : 727,522.32 = 285,470.18 : x
  2. Step 2: Convert to fraction form
    527,187.58/727,522.32 = 285,470.18/x
  3. Step 3: Cross multiply
    527,187.58x = 727,522.32 × 285,470.18
  4. Step 4: Simplify right side
    527,187.58x = 207,685,927,644.42
  5. Step 5: Solve for x
    x = 207,685,927,644.42/527,187.58
  6. Step 6: Final answer
    x = 393,950.72

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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.