Home / 925,697.96-1,276,949.10-538,469.76

Finding the Fourth Proportional to 925,697.96, 1,276,949.10 and 538,469.76

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Solution

The fourth proportional to 925,697.96, 1,276,949.10 and 538,469.76 is: 742,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,697.96 : 1,276,949.10 = 538,469.76 : x
  2. Step 2: Convert to fraction form
    925,697.96/1,276,949.10 = 538,469.76/x
  3. Step 3: Cross multiply
    925,697.96x = 1,276,949.10 × 538,469.76
  4. Step 4: Simplify right side
    925,697.96x = 687,598,475,409.22
  5. Step 5: Solve for x
    x = 687,598,475,409.22/925,697.96
  6. Step 6: Final answer
    x = 742,789.23

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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.