Home / 814,233.20-1,221,349.80-578,037.20

Finding the Fourth Proportional to 814,233.20, 1,221,349.80 and 578,037.20

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Solution

The fourth proportional to 814,233.20, 1,221,349.80 and 578,037.20 is: 867,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,233.20 : 1,221,349.80 = 578,037.20 : x
  2. Step 2: Convert to fraction form
    814,233.20/1,221,349.80 = 578,037.20/x
  3. Step 3: Cross multiply
    814,233.20x = 1,221,349.80 × 578,037.20
  4. Step 4: Simplify right side
    814,233.20x = 705,985,618,612.56
  5. Step 5: Solve for x
    x = 705,985,618,612.56/814,233.20
  6. Step 6: Final answer
    x = 867,055.80

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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.