Home / 1,222,616.20-1,834,005.30-324,045.40

Finding the Fourth Proportional to 1,222,616.20, 1,834,005.30 and 324,045.40

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Solution

The fourth proportional to 1,222,616.20, 1,834,005.30 and 324,045.40 is: 486,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,616.20 : 1,834,005.30 = 324,045.40 : x
  2. Step 2: Convert to fraction form
    1,222,616.20/1,834,005.30 = 324,045.40/x
  3. Step 3: Cross multiply
    1,222,616.20x = 1,834,005.30 × 324,045.40
  4. Step 4: Simplify right side
    1,222,616.20x = 594,300,981,040.62
  5. Step 5: Solve for x
    x = 594,300,981,040.62/1,222,616.20
  6. Step 6: Final answer
    x = 486,089.57

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1.5x scale

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.