Home / 918,414.20-1,377,621.30-918,414.20

Finding the Fourth Proportional to 918,414.20, 1,377,621.30 and 918,414.20

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Solution

The fourth proportional to 918,414.20, 1,377,621.30 and 918,414.20 is: 1,377,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,414.20 : 1,377,621.30 = 918,414.20 : x
  2. Step 2: Convert to fraction form
    918,414.20/1,377,621.30 = 918,414.20/x
  3. Step 3: Cross multiply
    918,414.20x = 1,377,621.30 × 918,414.20
  4. Step 4: Simplify right side
    918,414.20x = 1,265,226,964,142.46
  5. Step 5: Solve for x
    x = 1,265,226,964,142.46/918,414.20
  6. Step 6: Final answer
    x = 1,377,621.30

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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.