Home / 1,246,552.79-1,720,139.40-702,822.29

Finding the Fourth Proportional to 1,246,552.79, 1,720,139.40 and 702,822.29

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Solution

The fourth proportional to 1,246,552.79, 1,720,139.40 and 702,822.29 is: 969,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,552.79 : 1,720,139.40 = 702,822.29 : x
  2. Step 2: Convert to fraction form
    1,246,552.79/1,720,139.40 = 702,822.29/x
  3. Step 3: Cross multiply
    1,246,552.79x = 1,720,139.40 × 702,822.29
  4. Step 4: Simplify right side
    1,246,552.79x = 1,208,952,303,626.53
  5. Step 5: Solve for x
    x = 1,208,952,303,626.53/1,246,552.79
  6. Step 6: Final answer
    x = 969,836.43

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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.