Home / 527,031.11-727,299.60-285,311.93

Finding the Fourth Proportional to 527,031.11, 727,299.60 and 285,311.93

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Solution

The fourth proportional to 527,031.11, 727,299.60 and 285,311.93 is: 393,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,031.11 : 727,299.60 = 285,311.93 : x
  2. Step 2: Convert to fraction form
    527,031.11/727,299.60 = 285,311.93/x
  3. Step 3: Cross multiply
    527,031.11x = 727,299.60 × 285,311.93
  4. Step 4: Simplify right side
    527,031.11x = 207,507,248,927.73
  5. Step 5: Solve for x
    x = 207,507,248,927.73/527,031.11
  6. Step 6: Final answer
    x = 393,728.66

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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.