Home / 920,209.18-1,269,593.30-557,517.10

Finding the Fourth Proportional to 920,209.18, 1,269,593.30 and 557,517.10

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Solution

The fourth proportional to 920,209.18, 1,269,593.30 and 557,517.10 is: 769,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,209.18 : 1,269,593.30 = 557,517.10 : x
  2. Step 2: Convert to fraction form
    920,209.18/1,269,593.30 = 557,517.10/x
  3. Step 3: Cross multiply
    920,209.18x = 1,269,593.30 × 557,517.10
  4. Step 4: Simplify right side
    920,209.18x = 707,819,974,795.43
  5. Step 5: Solve for x
    x = 707,819,974,795.43/920,209.18
  6. Step 6: Final answer
    x = 769,194.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.