Home / 424,535.56-585,863.91-243,243.85

Finding the Fourth Proportional to 424,535.56, 585,863.91 and 243,243.85

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Solution

The fourth proportional to 424,535.56, 585,863.91 and 243,243.85 is: 335,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,535.56 : 585,863.91 = 243,243.85 : x
  2. Step 2: Convert to fraction form
    424,535.56/585,863.91 = 243,243.85/x
  3. Step 3: Cross multiply
    424,535.56x = 585,863.91 × 243,243.85
  4. Step 4: Simplify right side
    424,535.56x = 142,507,793,044.45
  5. Step 5: Solve for x
    x = 142,507,793,044.45/424,535.56
  6. Step 6: Final answer
    x = 335,679.28

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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.