Home / 852,234.33-1,278,526.45-253,142.13

Finding the Fourth Proportional to 852,234.33, 1,278,526.45 and 253,142.13

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Solution

The fourth proportional to 852,234.33, 1,278,526.45 and 253,142.13 is: 379,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,234.33 : 1,278,526.45 = 253,142.13 : x
  2. Step 2: Convert to fraction form
    852,234.33/1,278,526.45 = 253,142.13/x
  3. Step 3: Cross multiply
    852,234.33x = 1,278,526.45 × 253,142.13
  4. Step 4: Simplify right side
    852,234.33x = 323,648,908,814.34
  5. Step 5: Solve for x
    x = 323,648,908,814.34/852,234.33
  6. Step 6: Final answer
    x = 379,765.16

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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.