Home / 683,422.80-1,025,134.20-609,939.60

Finding the Fourth Proportional to 683,422.80, 1,025,134.20 and 609,939.60

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Solution

The fourth proportional to 683,422.80, 1,025,134.20 and 609,939.60 is: 914,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,422.80 : 1,025,134.20 = 609,939.60 : x
  2. Step 2: Convert to fraction form
    683,422.80/1,025,134.20 = 609,939.60/x
  3. Step 3: Cross multiply
    683,422.80x = 1,025,134.20 × 609,939.60
  4. Step 4: Simplify right side
    683,422.80x = 625,269,943,894.32
  5. Step 5: Solve for x
    x = 625,269,943,894.32/683,422.80
  6. Step 6: Final answer
    x = 914,909.40

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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.