Home / 725,199.62-1,087,123.31-245,091.71

Finding the Fourth Proportional to 725,199.62, 1,087,123.31 and 245,091.71

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Solution

The fourth proportional to 725,199.62, 1,087,123.31 and 245,091.71 is: 367,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,199.62 : 1,087,123.31 = 245,091.71 : x
  2. Step 2: Convert to fraction form
    725,199.62/1,087,123.31 = 245,091.71/x
  3. Step 3: Cross multiply
    725,199.62x = 1,087,123.31 × 245,091.71
  4. Step 4: Simplify right side
    725,199.62x = 266,444,913,440.20
  5. Step 5: Solve for x
    x = 266,444,913,440.20/725,199.62
  6. Step 6: Final answer
    x = 367,409.06

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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.