Home / 818,767.20-1,227,713.40-344,917.20

Finding the Fourth Proportional to 818,767.20, 1,227,713.40 and 344,917.20

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Solution

The fourth proportional to 818,767.20, 1,227,713.40 and 344,917.20 is: 517,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,767.20 : 1,227,713.40 = 344,917.20 : x
  2. Step 2: Convert to fraction form
    818,767.20/1,227,713.40 = 344,917.20/x
  3. Step 3: Cross multiply
    818,767.20x = 1,227,713.40 × 344,917.20
  4. Step 4: Simplify right side
    818,767.20x = 423,459,468,330.48
  5. Step 5: Solve for x
    x = 423,459,468,330.48/818,767.20
  6. Step 6: Final answer
    x = 517,191.54

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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.