Home / 1,104,311.80-1,656,467.70-656,414.20

Finding the Fourth Proportional to 1,104,311.80, 1,656,467.70 and 656,414.20

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Solution

The fourth proportional to 1,104,311.80, 1,656,467.70 and 656,414.20 is: 984,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,311.80 : 1,656,467.70 = 656,414.20 : x
  2. Step 2: Convert to fraction form
    1,104,311.80/1,656,467.70 = 656,414.20/x
  3. Step 3: Cross multiply
    1,104,311.80x = 1,656,467.70 × 656,414.20
  4. Step 4: Simplify right side
    1,104,311.80x = 1,087,328,920,121.34
  5. Step 5: Solve for x
    x = 1,087,328,920,121.34/1,104,311.80
  6. Step 6: Final answer
    x = 984,621.30

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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.