Home / 424,580.91-585,926.29-230,989.71

Finding the Fourth Proportional to 424,580.91, 585,926.29 and 230,989.71

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Solution

The fourth proportional to 424,580.91, 585,926.29 and 230,989.71 is: 318,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,580.91 : 585,926.29 = 230,989.71 : x
  2. Step 2: Convert to fraction form
    424,580.91/585,926.29 = 230,989.71/x
  3. Step 3: Cross multiply
    424,580.91x = 585,926.29 × 230,989.71
  4. Step 4: Simplify right side
    424,580.91x = 135,342,943,664.11
  5. Step 5: Solve for x
    x = 135,342,943,664.11/424,580.91
  6. Step 6: Final answer
    x = 318,768.32

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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.