Home / 683,125.20-1,024,841.40-209,832.40

Finding the Fourth Proportional to 683,125.20, 1,024,841.40 and 209,832.40

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Solution

The fourth proportional to 683,125.20, 1,024,841.40 and 209,832.40 is: 314,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,125.20 : 1,024,841.40 = 209,832.40 : x
  2. Step 2: Convert to fraction form
    683,125.20/1,024,841.40 = 209,832.40/x
  3. Step 3: Cross multiply
    683,125.20x = 1,024,841.40 × 209,832.40
  4. Step 4: Simplify right side
    683,125.20x = 215,044,930,581.36
  5. Step 5: Solve for x
    x = 215,044,930,581.36/683,125.20
  6. Step 6: Final answer
    x = 314,795.78

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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.