Home / 1,234,329.87-1,703,295.21-690,371.53

Finding the Fourth Proportional to 1,234,329.87, 1,703,295.21 and 690,371.53

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Solution

The fourth proportional to 1,234,329.87, 1,703,295.21 and 690,371.53 is: 952,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,329.87 : 1,703,295.21 = 690,371.53 : x
  2. Step 2: Convert to fraction form
    1,234,329.87/1,703,295.21 = 690,371.53/x
  3. Step 3: Cross multiply
    1,234,329.87x = 1,703,295.21 × 690,371.53
  4. Step 4: Simplify right side
    1,234,329.87x = 1,175,906,520,169.37
  5. Step 5: Solve for x
    x = 1,175,906,520,169.37/1,234,329.87
  6. Step 6: Final answer
    x = 952,667.96

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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.