Home / 1,818,511.80-2,727,876.90-556,350.36

Finding the Fourth Proportional to 1,818,511.80, 2,727,876.90 and 556,350.36

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Solution

The fourth proportional to 1,818,511.80, 2,727,876.90 and 556,350.36 is: 834,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,511.80 : 2,727,876.90 = 556,350.36 : x
  2. Step 2: Convert to fraction form
    1,818,511.80/2,727,876.90 = 556,350.36/x
  3. Step 3: Cross multiply
    1,818,511.80x = 2,727,876.90 × 556,350.36
  4. Step 4: Simplify right side
    1,818,511.80x = 1,517,655,295,350.68
  5. Step 5: Solve for x
    x = 1,517,655,295,350.68/1,818,511.80
  6. Step 6: Final answer
    x = 834,558.95

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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.