Home / 1,120,626.72-1,553,007.24-1,099,360.80

Finding the Fourth Proportional to 1,120,626.72, 1,553,007.24 and 1,099,360.80

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Solution

The fourth proportional to 1,120,626.72, 1,553,007.24 and 1,099,360.80 is: 1,523,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,626.72 : 1,553,007.24 = 1,099,360.80 : x
  2. Step 2: Convert to fraction form
    1,120,626.72/1,553,007.24 = 1,099,360.80/x
  3. Step 3: Cross multiply
    1,120,626.72x = 1,553,007.24 × 1,099,360.80
  4. Step 4: Simplify right side
    1,120,626.72x = 1,707,315,281,772.19
  5. Step 5: Solve for x
    x = 1,707,315,281,772.19/1,120,626.72
  6. Step 6: Final answer
    x = 1,523,536.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.