Home / 1,040,679.78-1,436,166.09-587,961.06

Finding the Fourth Proportional to 1,040,679.78, 1,436,166.09 and 587,961.06

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Solution

The fourth proportional to 1,040,679.78, 1,436,166.09 and 587,961.06 is: 811,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,679.78 : 1,436,166.09 = 587,961.06 : x
  2. Step 2: Convert to fraction form
    1,040,679.78/1,436,166.09 = 587,961.06/x
  3. Step 3: Cross multiply
    1,040,679.78x = 1,436,166.09 × 587,961.06
  4. Step 4: Simplify right side
    1,040,679.78x = 844,409,736,612.46
  5. Step 5: Solve for x
    x = 844,409,736,612.46/1,040,679.78
  6. Step 6: Final answer
    x = 811,402.08

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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.