Home / 561,118.20-841,677.30-280,534.20

Finding the Fourth Proportional to 561,118.20, 841,677.30 and 280,534.20

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Solution

The fourth proportional to 561,118.20, 841,677.30 and 280,534.20 is: 420,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,118.20 : 841,677.30 = 280,534.20 : x
  2. Step 2: Convert to fraction form
    561,118.20/841,677.30 = 280,534.20/x
  3. Step 3: Cross multiply
    561,118.20x = 841,677.30 × 280,534.20
  4. Step 4: Simplify right side
    561,118.20x = 236,119,268,013.66
  5. Step 5: Solve for x
    x = 236,119,268,013.66/561,118.20
  6. Step 6: Final answer
    x = 420,801.30

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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.