Home / 1,885,515.52-2,826,596.48-687,212.16

Finding the Fourth Proportional to 1,885,515.52, 2,826,596.48 and 687,212.16

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Solution

The fourth proportional to 1,885,515.52, 2,826,596.48 and 687,212.16 is: 1,030,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,515.52 : 2,826,596.48 = 687,212.16 : x
  2. Step 2: Convert to fraction form
    1,885,515.52/2,826,596.48 = 687,212.16/x
  3. Step 3: Cross multiply
    1,885,515.52x = 2,826,596.48 × 687,212.16
  4. Step 4: Simplify right side
    1,885,515.52x = 1,942,471,472,469.20
  5. Step 5: Solve for x
    x = 1,942,471,472,469.20/1,885,515.52
  6. Step 6: Final answer
    x = 1,030,207.10

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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.