Home / 941,429.54-1,299,140.97-538,943.78

Finding the Fourth Proportional to 941,429.54, 1,299,140.97 and 538,943.78

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Solution

The fourth proportional to 941,429.54, 1,299,140.97 and 538,943.78 is: 743,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,429.54 : 1,299,140.97 = 538,943.78 : x
  2. Step 2: Convert to fraction form
    941,429.54/1,299,140.97 = 538,943.78/x
  3. Step 3: Cross multiply
    941,429.54x = 1,299,140.97 × 538,943.78
  4. Step 4: Simplify right side
    941,429.54x = 700,163,945,124.67
  5. Step 5: Solve for x
    x = 700,163,945,124.67/941,429.54
  6. Step 6: Final answer
    x = 743,724.21

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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.