Home / 495,628.74-743,471.40-140,614.86

Finding the Fourth Proportional to 495,628.74, 743,471.40 and 140,614.86

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Solution

The fourth proportional to 495,628.74, 743,471.40 and 140,614.86 is: 210,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,628.74 : 743,471.40 = 140,614.86 : x
  2. Step 2: Convert to fraction form
    495,628.74/743,471.40 = 140,614.86/x
  3. Step 3: Cross multiply
    495,628.74x = 743,471.40 × 140,614.86
  4. Step 4: Simplify right side
    495,628.74x = 104,543,126,825.00
  5. Step 5: Solve for x
    x = 104,543,126,825.00/495,628.74
  6. Step 6: Final answer
    x = 210,930.32

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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.