Home / 454,218.40-680,562.15-359,083.90

Finding the Fourth Proportional to 454,218.40, 680,562.15 and 359,083.90

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Solution

The fourth proportional to 454,218.40, 680,562.15 and 359,083.90 is: 538,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,218.40 : 680,562.15 = 359,083.90 : x
  2. Step 2: Convert to fraction form
    454,218.40/680,562.15 = 359,083.90/x
  3. Step 3: Cross multiply
    454,218.40x = 680,562.15 × 359,083.90
  4. Step 4: Simplify right side
    454,218.40x = 244,378,911,014.39
  5. Step 5: Solve for x
    x = 244,378,911,014.39/454,218.40
  6. Step 6: Final answer
    x = 538,020.72

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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.