Home / 1,187,657.38-1,636,769.19-843,508.36

Finding the Fourth Proportional to 1,187,657.38, 1,636,769.19 and 843,508.36

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Solution

The fourth proportional to 1,187,657.38, 1,636,769.19 and 843,508.36 is: 1,162,480.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,657.38 : 1,636,769.19 = 843,508.36 : x
  2. Step 2: Convert to fraction form
    1,187,657.38/1,636,769.19 = 843,508.36/x
  3. Step 3: Cross multiply
    1,187,657.38x = 1,636,769.19 × 843,508.36
  4. Step 4: Simplify right side
    1,187,657.38x = 1,380,628,495,155.43
  5. Step 5: Solve for x
    x = 1,380,628,495,155.43/1,187,657.38
  6. Step 6: Final answer
    x = 1,162,480.46

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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.