Home / 424,834.22-586,202.62-243,512.78

Finding the Fourth Proportional to 424,834.22, 586,202.62 and 243,512.78

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Solution

The fourth proportional to 424,834.22, 586,202.62 and 243,512.78 is: 336,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,834.22 : 586,202.62 = 243,512.78 : x
  2. Step 2: Convert to fraction form
    424,834.22/586,202.62 = 243,512.78/x
  3. Step 3: Cross multiply
    424,834.22x = 586,202.62 × 243,512.78
  4. Step 4: Simplify right side
    424,834.22x = 142,747,829,639.48
  5. Step 5: Solve for x
    x = 142,747,829,639.48/424,834.22
  6. Step 6: Final answer
    x = 336,008.31

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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.