Home / 424,580.30-585,925.45-230,989.10

Finding the Fourth Proportional to 424,580.30, 585,925.45 and 230,989.10

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Solution

The fourth proportional to 424,580.30, 585,925.45 and 230,989.10 is: 318,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,580.30 : 585,925.45 = 230,989.10 : x
  2. Step 2: Convert to fraction form
    424,580.30/585,925.45 = 230,989.10/x
  3. Step 3: Cross multiply
    424,580.30x = 585,925.45 × 230,989.10
  4. Step 4: Simplify right side
    424,580.30x = 135,342,392,151.33
  5. Step 5: Solve for x
    x = 135,342,392,151.33/424,580.30
  6. Step 6: Final answer
    x = 318,767.48

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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.