Home / 1,250,396.89-1,725,549.42-677,437.09

Finding the Fourth Proportional to 1,250,396.89, 1,725,549.42 and 677,437.09

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Solution

The fourth proportional to 1,250,396.89, 1,725,549.42 and 677,437.09 is: 934,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,396.89 : 1,725,549.42 = 677,437.09 : x
  2. Step 2: Convert to fraction form
    1,250,396.89/1,725,549.42 = 677,437.09/x
  3. Step 3: Cross multiply
    1,250,396.89x = 1,725,549.42 × 677,437.09
  4. Step 4: Simplify right side
    1,250,396.89x = 1,168,951,177,735.99
  5. Step 5: Solve for x
    x = 1,168,951,177,735.99/1,250,396.89
  6. Step 6: Final answer
    x = 934,864.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.