Home / 814,295.70-1,221,443.55-683,658.90

Finding the Fourth Proportional to 814,295.70, 1,221,443.55 and 683,658.90

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Solution

The fourth proportional to 814,295.70, 1,221,443.55 and 683,658.90 is: 1,025,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,295.70 : 1,221,443.55 = 683,658.90 : x
  2. Step 2: Convert to fraction form
    814,295.70/1,221,443.55 = 683,658.90/x
  3. Step 3: Cross multiply
    814,295.70x = 1,221,443.55 × 683,658.90
  4. Step 4: Simplify right side
    814,295.70x = 835,050,753,805.10
  5. Step 5: Solve for x
    x = 835,050,753,805.10/814,295.70
  6. Step 6: Final answer
    x = 1,025,488.35

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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.