Home / 836,079.15-1,154,267.25-550,429.61

Finding the Fourth Proportional to 836,079.15, 1,154,267.25 and 550,429.61

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Solution

The fourth proportional to 836,079.15, 1,154,267.25 and 550,429.61 is: 759,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,079.15 : 1,154,267.25 = 550,429.61 : x
  2. Step 2: Convert to fraction form
    836,079.15/1,154,267.25 = 550,429.61/x
  3. Step 3: Cross multiply
    836,079.15x = 1,154,267.25 × 550,429.61
  4. Step 4: Simplify right side
    836,079.15x = 635,342,866,481.94
  5. Step 5: Solve for x
    x = 635,342,866,481.94/836,079.15
  6. Step 6: Final answer
    x = 759,907.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.