Home / 1,187,841.32-1,781,761.92-547,955.72

Finding the Fourth Proportional to 1,187,841.32, 1,781,761.92 and 547,955.72

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Solution

The fourth proportional to 1,187,841.32, 1,781,761.92 and 547,955.72 is: 821,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,841.32 : 1,781,761.92 = 547,955.72 : x
  2. Step 2: Convert to fraction form
    1,187,841.32/1,781,761.92 = 547,955.72/x
  3. Step 3: Cross multiply
    1,187,841.32x = 1,781,761.92 × 547,955.72
  4. Step 4: Simplify right side
    1,187,841.32x = 976,326,642,829.80
  5. Step 5: Solve for x
    x = 976,326,642,829.80/1,187,841.32
  6. Step 6: Final answer
    x = 821,933.56

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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.