Home / 1,915,408.62-2,873,112.93-653,247.18

Finding the Fourth Proportional to 1,915,408.62, 2,873,112.93 and 653,247.18

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Solution

The fourth proportional to 1,915,408.62, 2,873,112.93 and 653,247.18 is: 979,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,408.62 : 2,873,112.93 = 653,247.18 : x
  2. Step 2: Convert to fraction form
    1,915,408.62/2,873,112.93 = 653,247.18/x
  3. Step 3: Cross multiply
    1,915,408.62x = 2,873,112.93 × 653,247.18
  4. Step 4: Simplify right side
    1,915,408.62x = 1,876,852,919,344.04
  5. Step 5: Solve for x
    x = 1,876,852,919,344.04/1,915,408.62
  6. Step 6: Final answer
    x = 979,870.77

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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.