Home / 1,284,636.19-1,928,149.85-654,022.03

Finding the Fourth Proportional to 1,284,636.19, 1,928,149.85 and 654,022.03

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Solution

The fourth proportional to 1,284,636.19, 1,928,149.85 and 654,022.03 is: 981,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,636.19 : 1,928,149.85 = 654,022.03 : x
  2. Step 2: Convert to fraction form
    1,284,636.19/1,928,149.85 = 654,022.03/x
  3. Step 3: Cross multiply
    1,284,636.19x = 1,928,149.85 × 654,022.03
  4. Step 4: Simplify right side
    1,284,636.19x = 1,261,052,479,041.20
  5. Step 5: Solve for x
    x = 1,261,052,479,041.20/1,284,636.19
  6. Step 6: Final answer
    x = 981,641.72

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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.