Home / 859,084.80-1,288,627.20-605,830.20

Finding the Fourth Proportional to 859,084.80, 1,288,627.20 and 605,830.20

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Solution

The fourth proportional to 859,084.80, 1,288,627.20 and 605,830.20 is: 908,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,084.80 : 1,288,627.20 = 605,830.20 : x
  2. Step 2: Convert to fraction form
    859,084.80/1,288,627.20 = 605,830.20/x
  3. Step 3: Cross multiply
    859,084.80x = 1,288,627.20 × 605,830.20
  4. Step 4: Simplify right side
    859,084.80x = 780,689,274,301.44
  5. Step 5: Solve for x
    x = 780,689,274,301.44/859,084.80
  6. Step 6: Final answer
    x = 908,745.30

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Similar ratio
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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.