Home / 925,133.76-1,276,668-522,717.12

Finding the Fourth Proportional to 925,133.76, 1,276,668 and 522,717.12

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Solution

The fourth proportional to 925,133.76, 1,276,668 and 522,717.12 is: 721,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,133.76 : 1,276,668 = 522,717.12 : x
  2. Step 2: Convert to fraction form
    925,133.76/1,276,668 = 522,717.12/x
  3. Step 3: Cross multiply
    925,133.76x = 1,276,668 × 522,717.12
  4. Step 4: Simplify right side
    925,133.76x = 667,336,220,156.16
  5. Step 5: Solve for x
    x = 667,336,220,156.16/925,133.76
  6. Step 6: Final answer
    x = 721,340.25

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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.