Home / 628,422.20-944,601.60-616,612.40

Finding the Fourth Proportional to 628,422.20, 944,601.60 and 616,612.40

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Solution

The fourth proportional to 628,422.20, 944,601.60 and 616,612.40 is: 926,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,422.20 : 944,601.60 = 616,612.40 : x
  2. Step 2: Convert to fraction form
    628,422.20/944,601.60 = 616,612.40/x
  3. Step 3: Cross multiply
    628,422.20x = 944,601.60 × 616,612.40
  4. Step 4: Simplify right side
    628,422.20x = 582,453,059,619.84
  5. Step 5: Solve for x
    x = 582,453,059,619.84/628,422.20
  6. Step 6: Final answer
    x = 926,849.91

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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.