Home / 527,146.56-790,721.44-127,785.76

Finding the Fourth Proportional to 527,146.56, 790,721.44 and 127,785.76

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Solution

The fourth proportional to 527,146.56, 790,721.44 and 127,785.76 is: 191,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,146.56 : 790,721.44 = 127,785.76 : x
  2. Step 2: Convert to fraction form
    527,146.56/790,721.44 = 127,785.76/x
  3. Step 3: Cross multiply
    527,146.56x = 790,721.44 × 127,785.76
  4. Step 4: Simplify right side
    527,146.56x = 101,042,940,158.69
  5. Step 5: Solve for x
    x = 101,042,940,158.69/527,146.56
  6. Step 6: Final answer
    x = 191,679.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.