Home / 1,418,191.88-2,127,000.78-519,326.68

Finding the Fourth Proportional to 1,418,191.88, 2,127,000.78 and 519,326.68

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Solution

The fourth proportional to 1,418,191.88, 2,127,000.78 and 519,326.68 is: 778,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,191.88 : 2,127,000.78 = 519,326.68 : x
  2. Step 2: Convert to fraction form
    1,418,191.88/2,127,000.78 = 519,326.68/x
  3. Step 3: Cross multiply
    1,418,191.88x = 2,127,000.78 × 519,326.68
  4. Step 4: Simplify right side
    1,418,191.88x = 1,104,608,253,434.81
  5. Step 5: Solve for x
    x = 1,104,608,253,434.81/1,418,191.88
  6. Step 6: Final answer
    x = 778,884.91

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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.