Home / 741,903.40-1,023,827.88-402,371.92

Finding the Fourth Proportional to 741,903.40, 1,023,827.88 and 402,371.92

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Solution

The fourth proportional to 741,903.40, 1,023,827.88 and 402,371.92 is: 555,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,903.40 : 1,023,827.88 = 402,371.92 : x
  2. Step 2: Convert to fraction form
    741,903.40/1,023,827.88 = 402,371.92/x
  3. Step 3: Cross multiply
    741,903.40x = 1,023,827.88 × 402,371.92
  4. Step 4: Simplify right side
    741,903.40x = 411,959,589,825.13
  5. Step 5: Solve for x
    x = 411,959,589,825.13/741,903.40
  6. Step 6: Final answer
    x = 555,273.89

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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.