Home / 1,117,191.78-1,674,475.47-516,884.88

Finding the Fourth Proportional to 1,117,191.78, 1,674,475.47 and 516,884.88

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Solution

The fourth proportional to 1,117,191.78, 1,674,475.47 and 516,884.88 is: 774,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,191.78 : 1,674,475.47 = 516,884.88 : x
  2. Step 2: Convert to fraction form
    1,117,191.78/1,674,475.47 = 516,884.88/x
  3. Step 3: Cross multiply
    1,117,191.78x = 1,674,475.47 × 516,884.88
  4. Step 4: Simplify right side
    1,117,191.78x = 865,511,053,975.66
  5. Step 5: Solve for x
    x = 865,511,053,975.66/1,117,191.78
  6. Step 6: Final answer
    x = 774,720.21

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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.