Home / 1,169,947.78-1,614,538.62-686,520.98

Finding the Fourth Proportional to 1,169,947.78, 1,614,538.62 and 686,520.98

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Solution

The fourth proportional to 1,169,947.78, 1,614,538.62 and 686,520.98 is: 947,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,947.78 : 1,614,538.62 = 686,520.98 : x
  2. Step 2: Convert to fraction form
    1,169,947.78/1,614,538.62 = 686,520.98/x
  3. Step 3: Cross multiply
    1,169,947.78x = 1,614,538.62 × 686,520.98
  4. Step 4: Simplify right side
    1,169,947.78x = 1,108,414,624,144.95
  5. Step 5: Solve for x
    x = 1,108,414,624,144.95/1,169,947.78
  6. Step 6: Final answer
    x = 947,405.22

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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.