Home / 1,219,340.56-1,682,689.68-675,511.66

Finding the Fourth Proportional to 1,219,340.56, 1,682,689.68 and 675,511.66

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Solution

The fourth proportional to 1,219,340.56, 1,682,689.68 and 675,511.66 is: 932,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,340.56 : 1,682,689.68 = 675,511.66 : x
  2. Step 2: Convert to fraction form
    1,219,340.56/1,682,689.68 = 675,511.66/x
  3. Step 3: Cross multiply
    1,219,340.56x = 1,682,689.68 × 675,511.66
  4. Step 4: Simplify right side
    1,219,340.56x = 1,136,676,499,001.67
  5. Step 5: Solve for x
    x = 1,136,676,499,001.67/1,219,340.56
  6. Step 6: Final answer
    x = 932,205.93

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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.