Home / 781,517.28-1,172,263.56-249,030.68

Finding the Fourth Proportional to 781,517.28, 1,172,263.56 and 249,030.68

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Solution

The fourth proportional to 781,517.28, 1,172,263.56 and 249,030.68 is: 373,542.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,517.28 : 1,172,263.56 = 249,030.68 : x
  2. Step 2: Convert to fraction form
    781,517.28/1,172,263.56 = 249,030.68/x
  3. Step 3: Cross multiply
    781,517.28x = 1,172,263.56 × 249,030.68
  4. Step 4: Simplify right side
    781,517.28x = 291,929,591,486.02
  5. Step 5: Solve for x
    x = 291,929,591,486.02/781,517.28
  6. Step 6: Final answer
    x = 373,542.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.