Home / 495,626.74-743,468.40-140,612.86

Finding the Fourth Proportional to 495,626.74, 743,468.40 and 140,612.86

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Solution

The fourth proportional to 495,626.74, 743,468.40 and 140,612.86 is: 210,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,626.74 : 743,468.40 = 140,612.86 : x
  2. Step 2: Convert to fraction form
    495,626.74/743,468.40 = 140,612.86/x
  3. Step 3: Cross multiply
    495,626.74x = 743,468.40 × 140,612.86
  4. Step 4: Simplify right side
    495,626.74x = 104,541,218,043.62
  5. Step 5: Solve for x
    x = 104,541,218,043.62/495,626.74
  6. Step 6: Final answer
    x = 210,927.32

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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.