Home / 993,757.90-1,490,636.85-839,793.10

Finding the Fourth Proportional to 993,757.90, 1,490,636.85 and 839,793.10

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Solution

The fourth proportional to 993,757.90, 1,490,636.85 and 839,793.10 is: 1,259,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,757.90 : 1,490,636.85 = 839,793.10 : x
  2. Step 2: Convert to fraction form
    993,757.90/1,490,636.85 = 839,793.10/x
  3. Step 3: Cross multiply
    993,757.90x = 1,490,636.85 × 839,793.10
  4. Step 4: Simplify right side
    993,757.90x = 1,251,826,541,235.74
  5. Step 5: Solve for x
    x = 1,251,826,541,235.74/993,757.90
  6. Step 6: Final answer
    x = 1,259,689.65

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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.