Home / 925,708.71-1,276,963.76-538,480.54

Finding the Fourth Proportional to 925,708.71, 1,276,963.76 and 538,480.54

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Solution

The fourth proportional to 925,708.71, 1,276,963.76 and 538,480.54 is: 742,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,708.71 : 1,276,963.76 = 538,480.54 : x
  2. Step 2: Convert to fraction form
    925,708.71/1,276,963.76 = 538,480.54/x
  3. Step 3: Cross multiply
    925,708.71x = 1,276,963.76 × 538,480.54
  4. Step 4: Simplify right side
    925,708.71x = 687,620,137,987.64
  5. Step 5: Solve for x
    x = 687,620,137,987.64/925,708.71
  6. Step 6: Final answer
    x = 742,804.00

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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.