Home / 814,152.70-1,221,229.05-604,200.70

Finding the Fourth Proportional to 814,152.70, 1,221,229.05 and 604,200.70

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Solution

The fourth proportional to 814,152.70, 1,221,229.05 and 604,200.70 is: 906,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,152.70 : 1,221,229.05 = 604,200.70 : x
  2. Step 2: Convert to fraction form
    814,152.70/1,221,229.05 = 604,200.70/x
  3. Step 3: Cross multiply
    814,152.70x = 1,221,229.05 × 604,200.70
  4. Step 4: Simplify right side
    814,152.70x = 737,867,446,870.34
  5. Step 5: Solve for x
    x = 737,867,446,870.34/814,152.70
  6. Step 6: Final answer
    x = 906,301.05

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Half scale
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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.