Home / 583,450.20-875,175.30-140,218.20

Finding the Fourth Proportional to 583,450.20, 875,175.30 and 140,218.20

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Solution

The fourth proportional to 583,450.20, 875,175.30 and 140,218.20 is: 210,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,450.20 : 875,175.30 = 140,218.20 : x
  2. Step 2: Convert to fraction form
    583,450.20/875,175.30 = 140,218.20/x
  3. Step 3: Cross multiply
    583,450.20x = 875,175.30 × 140,218.20
  4. Step 4: Simplify right side
    583,450.20x = 122,715,505,250.46
  5. Step 5: Solve for x
    x = 122,715,505,250.46/583,450.20
  6. Step 6: Final answer
    x = 210,327.30

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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.