Home / 1,231,973.26-1,700,105.19-688,116.78

Finding the Fourth Proportional to 1,231,973.26, 1,700,105.19 and 688,116.78

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Solution

The fourth proportional to 1,231,973.26, 1,700,105.19 and 688,116.78 is: 949,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,973.26 : 1,700,105.19 = 688,116.78 : x
  2. Step 2: Convert to fraction form
    1,231,973.26/1,700,105.19 = 688,116.78/x
  3. Step 3: Cross multiply
    1,231,973.26x = 1,700,105.19 × 688,116.78
  4. Step 4: Simplify right side
    1,231,973.26x = 1,169,870,906,423.65
  5. Step 5: Solve for x
    x = 1,169,870,906,423.65/1,231,973.26
  6. Step 6: Final answer
    x = 949,591.15

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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.