Home / 628,428.20-944,610.60-616,618.40

Finding the Fourth Proportional to 628,428.20, 944,610.60 and 616,618.40

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Solution

The fourth proportional to 628,428.20, 944,610.60 and 616,618.40 is: 926,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,428.20 : 944,610.60 = 616,618.40 : x
  2. Step 2: Convert to fraction form
    628,428.20/944,610.60 = 616,618.40/x
  3. Step 3: Cross multiply
    628,428.20x = 944,610.60 × 616,618.40
  4. Step 4: Simplify right side
    628,428.20x = 582,464,276,795.04
  5. Step 5: Solve for x
    x = 582,464,276,795.04/628,428.20
  6. Step 6: Final answer
    x = 926,858.91

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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.