Home / 807,446.52-1,114,276.20-449,750.52

Finding the Fourth Proportional to 807,446.52, 1,114,276.20 and 449,750.52

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Solution

The fourth proportional to 807,446.52, 1,114,276.20 and 449,750.52 is: 620,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,446.52 : 1,114,276.20 = 449,750.52 : x
  2. Step 2: Convert to fraction form
    807,446.52/1,114,276.20 = 449,750.52/x
  3. Step 3: Cross multiply
    807,446.52x = 1,114,276.20 × 449,750.52
  4. Step 4: Simplify right side
    807,446.52x = 501,146,300,373.62
  5. Step 5: Solve for x
    x = 501,146,300,373.62/807,446.52
  6. Step 6: Final answer
    x = 620,655.72

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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.