Home / 1,222,999.92-1,687,683.15-679,170.24

Finding the Fourth Proportional to 1,222,999.92, 1,687,683.15 and 679,170.24

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Solution

The fourth proportional to 1,222,999.92, 1,687,683.15 and 679,170.24 is: 937,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,999.92 : 1,687,683.15 = 679,170.24 : x
  2. Step 2: Convert to fraction form
    1,222,999.92/1,687,683.15 = 679,170.24/x
  3. Step 3: Cross multiply
    1,222,999.92x = 1,687,683.15 × 679,170.24
  4. Step 4: Simplify right side
    1,222,999.92x = 1,146,224,170,029.46
  5. Step 5: Solve for x
    x = 1,146,224,170,029.46/1,222,999.92
  6. Step 6: Final answer
    x = 937,223.42

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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.