Home / 1,285,642.98-1,928,480.94-886,176.54

Finding the Fourth Proportional to 1,285,642.98, 1,928,480.94 and 886,176.54

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Solution

The fourth proportional to 1,285,642.98, 1,928,480.94 and 886,176.54 is: 1,329,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,642.98 : 1,928,480.94 = 886,176.54 : x
  2. Step 2: Convert to fraction form
    1,285,642.98/1,928,480.94 = 886,176.54/x
  3. Step 3: Cross multiply
    1,285,642.98x = 1,928,480.94 × 886,176.54
  4. Step 4: Simplify right side
    1,285,642.98x = 1,708,974,566,865.15
  5. Step 5: Solve for x
    x = 1,708,974,566,865.15/1,285,642.98
  6. Step 6: Final answer
    x = 1,329,276.16

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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.