Home / 791,121.63-1,186,715.21-230,156.13

Finding the Fourth Proportional to 791,121.63, 1,186,715.21 and 230,156.13

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Solution

The fourth proportional to 791,121.63, 1,186,715.21 and 230,156.13 is: 345,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,121.63 : 1,186,715.21 = 230,156.13 : x
  2. Step 2: Convert to fraction form
    791,121.63/1,186,715.21 = 230,156.13/x
  3. Step 3: Cross multiply
    791,121.63x = 1,186,715.21 × 230,156.13
  4. Step 4: Simplify right side
    791,121.63x = 273,129,783,445.14
  5. Step 5: Solve for x
    x = 273,129,783,445.14/791,121.63
  6. Step 6: Final answer
    x = 345,243.73

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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.