Home / 674,440.29-1,011,436.88-225,036.09

Finding the Fourth Proportional to 674,440.29, 1,011,436.88 and 225,036.09

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Solution

The fourth proportional to 674,440.29, 1,011,436.88 and 225,036.09 is: 337,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,440.29 : 1,011,436.88 = 225,036.09 : x
  2. Step 2: Convert to fraction form
    674,440.29/1,011,436.88 = 225,036.09/x
  3. Step 3: Cross multiply
    674,440.29x = 1,011,436.88 × 225,036.09
  4. Step 4: Simplify right side
    674,440.29x = 227,609,799,631.82
  5. Step 5: Solve for x
    x = 227,609,799,631.82/674,440.29
  6. Step 6: Final answer
    x = 337,479.54

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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.