Home / 1,232,006.12-1,700,150.36-688,149.56

Finding the Fourth Proportional to 1,232,006.12, 1,700,150.36 and 688,149.56

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Solution

The fourth proportional to 1,232,006.12, 1,700,150.36 and 688,149.56 is: 949,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,006.12 : 1,700,150.36 = 688,149.56 : x
  2. Step 2: Convert to fraction form
    1,232,006.12/1,700,150.36 = 688,149.56/x
  3. Step 3: Cross multiply
    1,232,006.12x = 1,700,150.36 × 688,149.56
  4. Step 4: Simplify right side
    1,232,006.12x = 1,169,957,722,167.84
  5. Step 5: Solve for x
    x = 1,169,957,722,167.84/1,232,006.12
  6. Step 6: Final answer
    x = 949,636.29

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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.