Home / 720,472.73-1,080,730.96-247,151.25

Finding the Fourth Proportional to 720,472.73, 1,080,730.96 and 247,151.25

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Solution

The fourth proportional to 720,472.73, 1,080,730.96 and 247,151.25 is: 370,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,472.73 : 1,080,730.96 = 247,151.25 : x
  2. Step 2: Convert to fraction form
    720,472.73/1,080,730.96 = 247,151.25/x
  3. Step 3: Cross multiply
    720,472.73x = 1,080,730.96 × 247,151.25
  4. Step 4: Simplify right side
    720,472.73x = 267,104,007,059.82
  5. Step 5: Solve for x
    x = 267,104,007,059.82/720,472.73
  6. Step 6: Final answer
    x = 370,734.38

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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.