Home / 930,192.20-1,395,288.30-914,445.80

Finding the Fourth Proportional to 930,192.20, 1,395,288.30 and 914,445.80

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Solution

The fourth proportional to 930,192.20, 1,395,288.30 and 914,445.80 is: 1,371,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,192.20 : 1,395,288.30 = 914,445.80 : x
  2. Step 2: Convert to fraction form
    930,192.20/1,395,288.30 = 914,445.80/x
  3. Step 3: Cross multiply
    930,192.20x = 1,395,288.30 × 914,445.80
  4. Step 4: Simplify right side
    930,192.20x = 1,275,915,525,724.14
  5. Step 5: Solve for x
    x = 1,275,915,525,724.14/930,192.20
  6. Step 6: Final answer
    x = 1,371,668.70

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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.