Home / 498,104.34-747,515.58-198,411.57

Finding the Fourth Proportional to 498,104.34, 747,515.58 and 198,411.57

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Solution

The fourth proportional to 498,104.34, 747,515.58 and 198,411.57 is: 297,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,104.34 : 747,515.58 = 198,411.57 : x
  2. Step 2: Convert to fraction form
    498,104.34/747,515.58 = 198,411.57/x
  3. Step 3: Cross multiply
    498,104.34x = 747,515.58 × 198,411.57
  4. Step 4: Simplify right side
    498,104.34x = 148,315,739,827.26
  5. Step 5: Solve for x
    x = 148,315,739,827.26/498,104.34
  6. Step 6: Final answer
    x = 297,760.38

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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.