Home / 814,233.70-1,221,350.55-562,291.30

Finding the Fourth Proportional to 814,233.70, 1,221,350.55 and 562,291.30

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Solution

The fourth proportional to 814,233.70, 1,221,350.55 and 562,291.30 is: 843,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,233.70 : 1,221,350.55 = 562,291.30 : x
  2. Step 2: Convert to fraction form
    814,233.70/1,221,350.55 = 562,291.30/x
  3. Step 3: Cross multiply
    814,233.70x = 1,221,350.55 × 562,291.30
  4. Step 4: Simplify right side
    814,233.70x = 686,754,788,515.22
  5. Step 5: Solve for x
    x = 686,754,788,515.22/814,233.70
  6. Step 6: Final answer
    x = 843,436.95

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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.