Home / 651,194.54-898,362.21-392,927.43

Finding the Fourth Proportional to 651,194.54, 898,362.21 and 392,927.43

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Solution

The fourth proportional to 651,194.54, 898,362.21 and 392,927.43 is: 542,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,194.54 : 898,362.21 = 392,927.43 : x
  2. Step 2: Convert to fraction form
    651,194.54/898,362.21 = 392,927.43/x
  3. Step 3: Cross multiply
    651,194.54x = 898,362.21 × 392,927.43
  4. Step 4: Simplify right side
    651,194.54x = 352,991,157,753.28
  5. Step 5: Solve for x
    x = 352,991,157,753.28/651,194.54
  6. Step 6: Final answer
    x = 542,067.13

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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.