Home / 1,202,080.38-1,803,178.89-991,333.50

Finding the Fourth Proportional to 1,202,080.38, 1,803,178.89 and 991,333.50

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Solution

The fourth proportional to 1,202,080.38, 1,803,178.89 and 991,333.50 is: 1,487,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,080.38 : 1,803,178.89 = 991,333.50 : x
  2. Step 2: Convert to fraction form
    1,202,080.38/1,803,178.89 = 991,333.50/x
  3. Step 3: Cross multiply
    1,202,080.38x = 1,803,178.89 × 991,333.50
  4. Step 4: Simplify right side
    1,202,080.38x = 1,787,551,640,149.82
  5. Step 5: Solve for x
    x = 1,787,551,640,149.82/1,202,080.38
  6. Step 6: Final answer
    x = 1,487,048.35

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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.