Home / 753,919.45-1,130,876.87-304,635.13

Finding the Fourth Proportional to 753,919.45, 1,130,876.87 and 304,635.13

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Solution

The fourth proportional to 753,919.45, 1,130,876.87 and 304,635.13 is: 456,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,919.45 : 1,130,876.87 = 304,635.13 : x
  2. Step 2: Convert to fraction form
    753,919.45/1,130,876.87 = 304,635.13/x
  3. Step 3: Cross multiply
    753,919.45x = 1,130,876.87 × 304,635.13
  4. Step 4: Simplify right side
    753,919.45x = 344,504,816,652.06
  5. Step 5: Solve for x
    x = 344,504,816,652.06/753,919.45
  6. Step 6: Final answer
    x = 456,951.76

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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.