Home / 674,135.22-1,011,205.60-168,694.82

Finding the Fourth Proportional to 674,135.22, 1,011,205.60 and 168,694.82

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Solution

The fourth proportional to 674,135.22, 1,011,205.60 and 168,694.82 is: 253,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,135.22 : 1,011,205.60 = 168,694.82 : x
  2. Step 2: Convert to fraction form
    674,135.22/1,011,205.60 = 168,694.82/x
  3. Step 3: Cross multiply
    674,135.22x = 1,011,205.60 × 168,694.82
  4. Step 4: Simplify right side
    674,135.22x = 170,585,146,674.99
  5. Step 5: Solve for x
    x = 170,585,146,674.99/674,135.22
  6. Step 6: Final answer
    x = 253,042.92

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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.