Home / 410,949.20-616,541.88-171,016.40

Finding the Fourth Proportional to 410,949.20, 616,541.88 and 171,016.40

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Solution

The fourth proportional to 410,949.20, 616,541.88 and 171,016.40 is: 256,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,949.20 : 616,541.88 = 171,016.40 : x
  2. Step 2: Convert to fraction form
    410,949.20/616,541.88 = 171,016.40/x
  3. Step 3: Cross multiply
    410,949.20x = 616,541.88 × 171,016.40
  4. Step 4: Simplify right side
    410,949.20x = 105,438,772,766.83
  5. Step 5: Solve for x
    x = 105,438,772,766.83/410,949.20
  6. Step 6: Final answer
    x = 256,573.74

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1.5x scale

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.