Home / 814,227.20-1,221,340.80-578,031.20

Finding the Fourth Proportional to 814,227.20, 1,221,340.80 and 578,031.20

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Solution

The fourth proportional to 814,227.20, 1,221,340.80 and 578,031.20 is: 867,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,227.20 : 1,221,340.80 = 578,031.20 : x
  2. Step 2: Convert to fraction form
    814,227.20/1,221,340.80 = 578,031.20/x
  3. Step 3: Cross multiply
    814,227.20x = 1,221,340.80 × 578,031.20
  4. Step 4: Simplify right side
    814,227.20x = 705,973,088,232.96
  5. Step 5: Solve for x
    x = 705,973,088,232.96/814,227.20
  6. Step 6: Final answer
    x = 867,046.80

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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.