Home / 662,883.35-914,753.23-405,191.76

Finding the Fourth Proportional to 662,883.35, 914,753.23 and 405,191.76

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Solution

The fourth proportional to 662,883.35, 914,753.23 and 405,191.76 is: 559,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,883.35 : 914,753.23 = 405,191.76 : x
  2. Step 2: Convert to fraction form
    662,883.35/914,753.23 = 405,191.76/x
  3. Step 3: Cross multiply
    662,883.35x = 914,753.23 × 405,191.76
  4. Step 4: Simplify right side
    662,883.35x = 370,650,471,229.39
  5. Step 5: Solve for x
    x = 370,650,471,229.39/662,883.35
  6. Step 6: Final answer
    x = 559,148.86

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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.