Home / 1,561,712.63-2,155,148.25-873,376.66

Finding the Fourth Proportional to 1,561,712.63, 2,155,148.25 and 873,376.66

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Solution

The fourth proportional to 1,561,712.63, 2,155,148.25 and 873,376.66 is: 1,205,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,712.63 : 2,155,148.25 = 873,376.66 : x
  2. Step 2: Convert to fraction form
    1,561,712.63/2,155,148.25 = 873,376.66/x
  3. Step 3: Cross multiply
    1,561,712.63x = 2,155,148.25 × 873,376.66
  4. Step 4: Simplify right side
    1,561,712.63x = 1,882,256,169,614.10
  5. Step 5: Solve for x
    x = 1,882,256,169,614.10/1,561,712.63
  6. Step 6: Final answer
    x = 1,205,251.29

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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.