Home / 732,694.80-1,099,042.20-644,121.30

Finding the Fourth Proportional to 732,694.80, 1,099,042.20 and 644,121.30

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Solution

The fourth proportional to 732,694.80, 1,099,042.20 and 644,121.30 is: 966,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,694.80 : 1,099,042.20 = 644,121.30 : x
  2. Step 2: Convert to fraction form
    732,694.80/1,099,042.20 = 644,121.30/x
  3. Step 3: Cross multiply
    732,694.80x = 1,099,042.20 × 644,121.30
  4. Step 4: Simplify right side
    732,694.80x = 707,916,490,618.86
  5. Step 5: Solve for x
    x = 707,916,490,618.86/732,694.80
  6. Step 6: Final answer
    x = 966,181.95

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1.5x scale

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.