Home / 527,186.83-727,521.29-285,469.43

Finding the Fourth Proportional to 527,186.83, 727,521.29 and 285,469.43

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Solution

The fourth proportional to 527,186.83, 727,521.29 and 285,469.43 is: 393,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,186.83 : 727,521.29 = 285,469.43 : x
  2. Step 2: Convert to fraction form
    527,186.83/727,521.29 = 285,469.43/x
  3. Step 3: Cross multiply
    527,186.83x = 727,521.29 × 285,469.43
  4. Step 4: Simplify right side
    527,186.83x = 207,685,082,904.21
  5. Step 5: Solve for x
    x = 207,685,082,904.21/527,186.83
  6. Step 6: Final answer
    x = 393,949.68

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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.