Home / 424,863.09-586,318.55-231,276.35

Finding the Fourth Proportional to 424,863.09, 586,318.55 and 231,276.35

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Solution

The fourth proportional to 424,863.09, 586,318.55 and 231,276.35 is: 319,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,863.09 : 586,318.55 = 231,276.35 : x
  2. Step 2: Convert to fraction form
    424,863.09/586,318.55 = 231,276.35/x
  3. Step 3: Cross multiply
    424,863.09x = 586,318.55 × 231,276.35
  4. Step 4: Simplify right side
    424,863.09x = 135,601,614,490.71
  5. Step 5: Solve for x
    x = 135,601,614,490.71/424,863.09
  6. Step 6: Final answer
    x = 319,165.44

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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.