Home / 527,177.78-727,559.04-380,123.61

Finding the Fourth Proportional to 527,177.78, 727,559.04 and 380,123.61

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Solution

The fourth proportional to 527,177.78, 727,559.04 and 380,123.61 is: 524,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,177.78 : 727,559.04 = 380,123.61 : x
  2. Step 2: Convert to fraction form
    527,177.78/727,559.04 = 380,123.61/x
  3. Step 3: Cross multiply
    527,177.78x = 727,559.04 × 380,123.61
  4. Step 4: Simplify right side
    527,177.78x = 276,562,368,772.93
  5. Step 5: Solve for x
    x = 276,562,368,772.93/527,177.78
  6. Step 6: Final answer
    x = 524,609.30

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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.