Home / 1,561,387.40-2,154,614.56-873,115.96

Finding the Fourth Proportional to 1,561,387.40, 2,154,614.56 and 873,115.96

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Solution

The fourth proportional to 1,561,387.40, 2,154,614.56 and 873,115.96 is: 1,204,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,387.40 : 2,154,614.56 = 873,115.96 : x
  2. Step 2: Convert to fraction form
    1,561,387.40/2,154,614.56 = 873,115.96/x
  3. Step 3: Cross multiply
    1,561,387.40x = 2,154,614.56 × 873,115.96
  4. Step 4: Simplify right side
    1,561,387.40x = 1,881,228,359,984.38
  5. Step 5: Solve for x
    x = 1,881,228,359,984.38/1,561,387.40
  6. Step 6: Final answer
    x = 1,204,844.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.