Home / 452,270.78-678,553.57-227,515.22

Finding the Fourth Proportional to 452,270.78, 678,553.57 and 227,515.22

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Solution

The fourth proportional to 452,270.78, 678,553.57 and 227,515.22 is: 341,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,270.78 : 678,553.57 = 227,515.22 : x
  2. Step 2: Convert to fraction form
    452,270.78/678,553.57 = 227,515.22/x
  3. Step 3: Cross multiply
    452,270.78x = 678,553.57 × 227,515.22
  4. Step 4: Simplify right side
    452,270.78x = 154,381,264,760.34
  5. Step 5: Solve for x
    x = 154,381,264,760.34/452,270.78
  6. Step 6: Final answer
    x = 341,346.98

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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.