Home / 814,233.90-1,221,350.85-604,281.90

Finding the Fourth Proportional to 814,233.90, 1,221,350.85 and 604,281.90

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Solution

The fourth proportional to 814,233.90, 1,221,350.85 and 604,281.90 is: 906,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,233.90 : 1,221,350.85 = 604,281.90 : x
  2. Step 2: Convert to fraction form
    814,233.90/1,221,350.85 = 604,281.90/x
  3. Step 3: Cross multiply
    814,233.90x = 1,221,350.85 × 604,281.90
  4. Step 4: Simplify right side
    814,233.90x = 738,040,212,204.62
  5. Step 5: Solve for x
    x = 738,040,212,204.62/814,233.90
  6. Step 6: Final answer
    x = 906,422.85

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Double scale
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Similar ratio
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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.