Home / 925,141.73-1,387,719.27-326,113.92

Finding the Fourth Proportional to 925,141.73, 1,387,719.27 and 326,113.92

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Solution

The fourth proportional to 925,141.73, 1,387,719.27 and 326,113.92 is: 489,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,141.73 : 1,387,719.27 = 326,113.92 : x
  2. Step 2: Convert to fraction form
    925,141.73/1,387,719.27 = 326,113.92/x
  3. Step 3: Cross multiply
    925,141.73x = 1,387,719.27 × 326,113.92
  4. Step 4: Simplify right side
    925,141.73x = 452,554,570,999.24
  5. Step 5: Solve for x
    x = 452,554,570,999.24/925,141.73
  6. Step 6: Final answer
    x = 489,173.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.