Home / 838,343.36-1,156,913.82-456,372.92

Finding the Fourth Proportional to 838,343.36, 1,156,913.82 and 456,372.92

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Solution

The fourth proportional to 838,343.36, 1,156,913.82 and 456,372.92 is: 629,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,343.36 : 1,156,913.82 = 456,372.92 : x
  2. Step 2: Convert to fraction form
    838,343.36/1,156,913.82 = 456,372.92/x
  3. Step 3: Cross multiply
    838,343.36x = 1,156,913.82 × 456,372.92
  4. Step 4: Simplify right side
    838,343.36x = 527,984,138,221.75
  5. Step 5: Solve for x
    x = 527,984,138,221.75/838,343.36
  6. Step 6: Final answer
    x = 629,794.62

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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.