Home / 527,245.38-727,597.51-285,527.20

Finding the Fourth Proportional to 527,245.38, 727,597.51 and 285,527.20

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Solution

The fourth proportional to 527,245.38, 727,597.51 and 285,527.20 is: 394,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,245.38 : 727,597.51 = 285,527.20 : x
  2. Step 2: Convert to fraction form
    527,245.38/727,597.51 = 285,527.20/x
  3. Step 3: Cross multiply
    527,245.38x = 727,597.51 × 285,527.20
  4. Step 4: Simplify right side
    527,245.38x = 207,748,881,438.12
  5. Step 5: Solve for x
    x = 207,748,881,438.12/527,245.38
  6. Step 6: Final answer
    x = 394,026.94

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Double scale
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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.