Home / 814,224.20-1,221,336.30-578,028.20

Finding the Fourth Proportional to 814,224.20, 1,221,336.30 and 578,028.20

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Solution

The fourth proportional to 814,224.20, 1,221,336.30 and 578,028.20 is: 867,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,224.20 : 1,221,336.30 = 578,028.20 : x
  2. Step 2: Convert to fraction form
    814,224.20/1,221,336.30 = 578,028.20/x
  3. Step 3: Cross multiply
    814,224.20x = 1,221,336.30 × 578,028.20
  4. Step 4: Simplify right side
    814,224.20x = 705,966,823,083.66
  5. Step 5: Solve for x
    x = 705,966,823,083.66/814,224.20
  6. Step 6: Final answer
    x = 867,042.30

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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.