Home / 1,493,474.52-2,240,500.18-640,426.96

Finding the Fourth Proportional to 1,493,474.52, 2,240,500.18 and 640,426.96

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Solution

The fourth proportional to 1,493,474.52, 2,240,500.18 and 640,426.96 is: 960,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,474.52 : 2,240,500.18 = 640,426.96 : x
  2. Step 2: Convert to fraction form
    1,493,474.52/2,240,500.18 = 640,426.96/x
  3. Step 3: Cross multiply
    1,493,474.52x = 2,240,500.18 × 640,426.96
  4. Step 4: Simplify right side
    1,493,474.52x = 1,434,876,719,156.85
  5. Step 5: Solve for x
    x = 1,434,876,719,156.85/1,493,474.52
  6. Step 6: Final answer
    x = 960,764.11

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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.