Home / 581,519.08-871,921.40-226,118.83

Finding the Fourth Proportional to 581,519.08, 871,921.40 and 226,118.83

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Solution

The fourth proportional to 581,519.08, 871,921.40 and 226,118.83 is: 339,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,519.08 : 871,921.40 = 226,118.83 : x
  2. Step 2: Convert to fraction form
    581,519.08/871,921.40 = 226,118.83/x
  3. Step 3: Cross multiply
    581,519.08x = 871,921.40 × 226,118.83
  4. Step 4: Simplify right side
    581,519.08x = 197,157,841,329.76
  5. Step 5: Solve for x
    x = 197,157,841,329.76/581,519.08
  6. Step 6: Final answer
    x = 339,039.34

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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.