Home / 910,793.10-1,366,189.65-644,853.90

Finding the Fourth Proportional to 910,793.10, 1,366,189.65 and 644,853.90

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Solution

The fourth proportional to 910,793.10, 1,366,189.65 and 644,853.90 is: 967,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,793.10 : 1,366,189.65 = 644,853.90 : x
  2. Step 2: Convert to fraction form
    910,793.10/1,366,189.65 = 644,853.90/x
  3. Step 3: Cross multiply
    910,793.10x = 1,366,189.65 × 644,853.90
  4. Step 4: Simplify right side
    910,793.10x = 880,992,723,942.14
  5. Step 5: Solve for x
    x = 880,992,723,942.14/910,793.10
  6. Step 6: Final answer
    x = 967,280.85

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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.