Home / 991,825.04-1,368,711.96-539,116.04

Finding the Fourth Proportional to 991,825.04, 1,368,711.96 and 539,116.04

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Solution

The fourth proportional to 991,825.04, 1,368,711.96 and 539,116.04 is: 743,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,825.04 : 1,368,711.96 = 539,116.04 : x
  2. Step 2: Convert to fraction form
    991,825.04/1,368,711.96 = 539,116.04/x
  3. Step 3: Cross multiply
    991,825.04x = 1,368,711.96 × 539,116.04
  4. Step 4: Simplify right side
    991,825.04x = 737,894,571,775.84
  5. Step 5: Solve for x
    x = 737,894,571,775.84/991,825.04
  6. Step 6: Final answer
    x = 743,976.55

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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.