Home / 495,894.17-743,849.46-215,411.42

Finding the Fourth Proportional to 495,894.17, 743,849.46 and 215,411.42

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Solution

The fourth proportional to 495,894.17, 743,849.46 and 215,411.42 is: 323,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,894.17 : 743,849.46 = 215,411.42 : x
  2. Step 2: Convert to fraction form
    495,894.17/743,849.46 = 215,411.42/x
  3. Step 3: Cross multiply
    495,894.17x = 743,849.46 × 215,411.42
  4. Step 4: Simplify right side
    495,894.17x = 160,233,670,304.46
  5. Step 5: Solve for x
    x = 160,233,670,304.46/495,894.17
  6. Step 6: Final answer
    x = 323,120.70

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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.