Home / 840,718.41-1,160,219.40-458,766.15

Finding the Fourth Proportional to 840,718.41, 1,160,219.40 and 458,766.15

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Solution

The fourth proportional to 840,718.41, 1,160,219.40 and 458,766.15 is: 633,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,718.41 : 1,160,219.40 = 458,766.15 : x
  2. Step 2: Convert to fraction form
    840,718.41/1,160,219.40 = 458,766.15/x
  3. Step 3: Cross multiply
    840,718.41x = 1,160,219.40 × 458,766.15
  4. Step 4: Simplify right side
    840,718.41x = 532,269,387,293.31
  5. Step 5: Solve for x
    x = 532,269,387,293.31/840,718.41
  6. Step 6: Final answer
    x = 633,112.56

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1.5x scale

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.