Home / 431,939.70-596,043.93-238,355.13

Finding the Fourth Proportional to 431,939.70, 596,043.93 and 238,355.13

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Solution

The fourth proportional to 431,939.70, 596,043.93 and 238,355.13 is: 328,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,939.70 : 596,043.93 = 238,355.13 : x
  2. Step 2: Convert to fraction form
    431,939.70/596,043.93 = 238,355.13/x
  3. Step 3: Cross multiply
    431,939.70x = 596,043.93 × 238,355.13
  4. Step 4: Simplify right side
    431,939.70x = 142,070,131,549.86
  5. Step 5: Solve for x
    x = 142,070,131,549.86/431,939.70
  6. Step 6: Final answer
    x = 328,911.96

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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.