Home / 986,612.26-1,479,319.11-386,854.86

Finding the Fourth Proportional to 986,612.26, 1,479,319.11 and 386,854.86

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Solution

The fourth proportional to 986,612.26, 1,479,319.11 and 386,854.86 is: 580,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,612.26 : 1,479,319.11 = 386,854.86 : x
  2. Step 2: Convert to fraction form
    986,612.26/1,479,319.11 = 386,854.86/x
  3. Step 3: Cross multiply
    986,612.26x = 1,479,319.11 × 386,854.86
  4. Step 4: Simplify right side
    986,612.26x = 572,281,787,194.38
  5. Step 5: Solve for x
    x = 572,281,787,194.38/986,612.26
  6. Step 6: Final answer
    x = 580,047.31

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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.