Home / 628,429.20-944,612.10-616,619.40

Finding the Fourth Proportional to 628,429.20, 944,612.10 and 616,619.40

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Solution

The fourth proportional to 628,429.20, 944,612.10 and 616,619.40 is: 926,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,429.20 : 944,612.10 = 616,619.40 : x
  2. Step 2: Convert to fraction form
    628,429.20/944,612.10 = 616,619.40/x
  3. Step 3: Cross multiply
    628,429.20x = 944,612.10 × 616,619.40
  4. Step 4: Simplify right side
    628,429.20x = 582,466,146,334.74
  5. Step 5: Solve for x
    x = 582,466,146,334.74/628,429.20
  6. Step 6: Final answer
    x = 926,860.41

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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.