Home / 868,191.87-1,302,337.01-269,238.18

Finding the Fourth Proportional to 868,191.87, 1,302,337.01 and 269,238.18

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Solution

The fourth proportional to 868,191.87, 1,302,337.01 and 269,238.18 is: 403,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,191.87 : 1,302,337.01 = 269,238.18 : x
  2. Step 2: Convert to fraction form
    868,191.87/1,302,337.01 = 269,238.18/x
  3. Step 3: Cross multiply
    868,191.87x = 1,302,337.01 × 269,238.18
  4. Step 4: Simplify right side
    868,191.87x = 350,638,846,319.04
  5. Step 5: Solve for x
    x = 350,638,846,319.04/868,191.87
  6. Step 6: Final answer
    x = 403,872.53

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Double scale
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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.