Home / 424,911.20-586,354.56-243,614.40

Finding the Fourth Proportional to 424,911.20, 586,354.56 and 243,614.40

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Solution

The fourth proportional to 424,911.20, 586,354.56 and 243,614.40 is: 336,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,911.20 : 586,354.56 = 243,614.40 : x
  2. Step 2: Convert to fraction form
    424,911.20/586,354.56 = 243,614.40/x
  3. Step 3: Cross multiply
    424,911.20x = 586,354.56 × 243,614.40
  4. Step 4: Simplify right side
    424,911.20x = 142,844,414,321.66
  5. Step 5: Solve for x
    x = 142,844,414,321.66/424,911.20
  6. Step 6: Final answer
    x = 336,174.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.