Home / 1,616,099.05-2,230,233.92-890,972.74

Finding the Fourth Proportional to 1,616,099.05, 2,230,233.92 and 890,972.74

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Solution

The fourth proportional to 1,616,099.05, 2,230,233.92 and 890,972.74 is: 1,229,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,099.05 : 2,230,233.92 = 890,972.74 : x
  2. Step 2: Convert to fraction form
    1,616,099.05/2,230,233.92 = 890,972.74/x
  3. Step 3: Cross multiply
    1,616,099.05x = 2,230,233.92 × 890,972.74
  4. Step 4: Simplify right side
    1,616,099.05x = 1,987,077,626,543.34
  5. Step 5: Solve for x
    x = 1,987,077,626,543.34/1,616,099.05
  6. Step 6: Final answer
    x = 1,229,551.88

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1.5x scale

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.