Home / 1,169,778.81-1,614,305.89-686,352.18

Finding the Fourth Proportional to 1,169,778.81, 1,614,305.89 and 686,352.18

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Solution

The fourth proportional to 1,169,778.81, 1,614,305.89 and 686,352.18 is: 947,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,778.81 : 1,614,305.89 = 686,352.18 : x
  2. Step 2: Convert to fraction form
    1,169,778.81/1,614,305.89 = 686,352.18/x
  3. Step 3: Cross multiply
    1,169,778.81x = 1,614,305.89 × 686,352.18
  4. Step 4: Simplify right side
    1,169,778.81x = 1,107,982,363,356.58
  5. Step 5: Solve for x
    x = 1,107,982,363,356.58/1,169,778.81
  6. Step 6: Final answer
    x = 947,172.54

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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.