Home / 911,941.20-1,367,989.56-238,111.92

Finding the Fourth Proportional to 911,941.20, 1,367,989.56 and 238,111.92

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Solution

The fourth proportional to 911,941.20, 1,367,989.56 and 238,111.92 is: 357,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,941.20 : 1,367,989.56 = 238,111.92 : x
  2. Step 2: Convert to fraction form
    911,941.20/1,367,989.56 = 238,111.92/x
  3. Step 3: Cross multiply
    911,941.20x = 1,367,989.56 × 238,111.92
  4. Step 4: Simplify right side
    911,941.20x = 325,734,620,671.56
  5. Step 5: Solve for x
    x = 325,734,620,671.56/911,941.20
  6. Step 6: Final answer
    x = 357,188.18

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