Home / 424,814.43-586,248.67-231,223.32

Finding the Fourth Proportional to 424,814.43, 586,248.67 and 231,223.32

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Solution

The fourth proportional to 424,814.43, 586,248.67 and 231,223.32 is: 319,090.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,814.43 : 586,248.67 = 231,223.32 : x
  2. Step 2: Convert to fraction form
    424,814.43/586,248.67 = 231,223.32/x
  3. Step 3: Cross multiply
    424,814.43x = 586,248.67 × 231,223.32
  4. Step 4: Simplify right side
    424,814.43x = 135,554,364,112.01
  5. Step 5: Solve for x
    x = 135,554,364,112.01/424,814.43
  6. Step 6: Final answer
    x = 319,090.77

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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.