Home / 396,127.64-546,726.02-235,071.52

Finding the Fourth Proportional to 396,127.64, 546,726.02 and 235,071.52

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Solution

The fourth proportional to 396,127.64, 546,726.02 and 235,071.52 is: 324,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,127.64 : 546,726.02 = 235,071.52 : x
  2. Step 2: Convert to fraction form
    396,127.64/546,726.02 = 235,071.52/x
  3. Step 3: Cross multiply
    396,127.64x = 546,726.02 × 235,071.52
  4. Step 4: Simplify right side
    396,127.64x = 128,519,716,544.95
  5. Step 5: Solve for x
    x = 128,519,716,544.95/396,127.64
  6. Step 6: Final answer
    x = 324,440.16

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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.