Home / 1,148,710.61-1,585,194.40-719,227.55

Finding the Fourth Proportional to 1,148,710.61, 1,585,194.40 and 719,227.55

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Solution

The fourth proportional to 1,148,710.61, 1,585,194.40 and 719,227.55 is: 992,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,710.61 : 1,585,194.40 = 719,227.55 : x
  2. Step 2: Convert to fraction form
    1,148,710.61/1,585,194.40 = 719,227.55/x
  3. Step 3: Cross multiply
    1,148,710.61x = 1,585,194.40 × 719,227.55
  4. Step 4: Simplify right side
    1,148,710.61x = 1,140,115,489,447.74
  5. Step 5: Solve for x
    x = 1,140,115,489,447.74/1,148,710.61
  6. Step 6: Final answer
    x = 992,517.59

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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.