Home / 579,961.87-869,593.34-260,055.83

Finding the Fourth Proportional to 579,961.87, 869,593.34 and 260,055.83

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Solution

The fourth proportional to 579,961.87, 869,593.34 and 260,055.83 is: 389,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,961.87 : 869,593.34 = 260,055.83 : x
  2. Step 2: Convert to fraction form
    579,961.87/869,593.34 = 260,055.83/x
  3. Step 3: Cross multiply
    579,961.87x = 869,593.34 × 260,055.83
  4. Step 4: Simplify right side
    579,961.87x = 226,142,820,620.30
  5. Step 5: Solve for x
    x = 226,142,820,620.30/579,961.87
  6. Step 6: Final answer
    x = 389,927.05

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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.