Home / 683,228.80-1,024,843.20-209,913.40

Finding the Fourth Proportional to 683,228.80, 1,024,843.20 and 209,913.40

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Solution

The fourth proportional to 683,228.80, 1,024,843.20 and 209,913.40 is: 314,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,228.80 : 1,024,843.20 = 209,913.40 : x
  2. Step 2: Convert to fraction form
    683,228.80/1,024,843.20 = 209,913.40/x
  3. Step 3: Cross multiply
    683,228.80x = 1,024,843.20 × 209,913.40
  4. Step 4: Simplify right side
    683,228.80x = 215,128,320,578.88
  5. Step 5: Solve for x
    x = 215,128,320,578.88/683,228.80
  6. Step 6: Final answer
    x = 314,870.10

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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.