Home / 986,616.26-1,479,325.11-386,858.86

Finding the Fourth Proportional to 986,616.26, 1,479,325.11 and 386,858.86

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Solution

The fourth proportional to 986,616.26, 1,479,325.11 and 386,858.86 is: 580,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,616.26 : 1,479,325.11 = 386,858.86 : x
  2. Step 2: Convert to fraction form
    986,616.26/1,479,325.11 = 386,858.86/x
  3. Step 3: Cross multiply
    986,616.26x = 1,479,325.11 × 386,858.86
  4. Step 4: Simplify right side
    986,616.26x = 572,290,025,623.98
  5. Step 5: Solve for x
    x = 572,290,025,623.98/986,616.26
  6. Step 6: Final answer
    x = 580,053.31

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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.