Home / 402,086.26-554,839.77-232,316.74

Finding the Fourth Proportional to 402,086.26, 554,839.77 and 232,316.74

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Solution

The fourth proportional to 402,086.26, 554,839.77 and 232,316.74 is: 320,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,086.26 : 554,839.77 = 232,316.74 : x
  2. Step 2: Convert to fraction form
    402,086.26/554,839.77 = 232,316.74/x
  3. Step 3: Cross multiply
    402,086.26x = 554,839.77 × 232,316.74
  4. Step 4: Simplify right side
    402,086.26x = 128,898,566,588.75
  5. Step 5: Solve for x
    x = 128,898,566,588.75/402,086.26
  6. Step 6: Final answer
    x = 320,574.41

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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.