Home / 746,801.76-1,120,206.70-185,836.28

Finding the Fourth Proportional to 746,801.76, 1,120,206.70 and 185,836.28

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Solution

The fourth proportional to 746,801.76, 1,120,206.70 and 185,836.28 is: 278,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,801.76 : 1,120,206.70 = 185,836.28 : x
  2. Step 2: Convert to fraction form
    746,801.76/1,120,206.70 = 185,836.28/x
  3. Step 3: Cross multiply
    746,801.76x = 1,120,206.70 × 185,836.28
  4. Step 4: Simplify right side
    746,801.76x = 208,175,045,959.08
  5. Step 5: Solve for x
    x = 208,175,045,959.08/746,801.76
  6. Step 6: Final answer
    x = 278,755.43

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Double scale
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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.