Home / 598,876.20-897,002.10-318,065.40

Finding the Fourth Proportional to 598,876.20, 897,002.10 and 318,065.40

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Solution

The fourth proportional to 598,876.20, 897,002.10 and 318,065.40 is: 476,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,876.20 : 897,002.10 = 318,065.40 : x
  2. Step 2: Convert to fraction form
    598,876.20/897,002.10 = 318,065.40/x
  3. Step 3: Cross multiply
    598,876.20x = 897,002.10 × 318,065.40
  4. Step 4: Simplify right side
    598,876.20x = 285,305,331,737.34
  5. Step 5: Solve for x
    x = 285,305,331,737.34/598,876.20
  6. Step 6: Final answer
    x = 476,401.19

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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.