Home / 901,734.20-1,244,091.08-519,752.78

Finding the Fourth Proportional to 901,734.20, 1,244,091.08 and 519,752.78

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Solution

The fourth proportional to 901,734.20, 1,244,091.08 and 519,752.78 is: 717,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,734.20 : 1,244,091.08 = 519,752.78 : x
  2. Step 2: Convert to fraction form
    901,734.20/1,244,091.08 = 519,752.78/x
  3. Step 3: Cross multiply
    901,734.20x = 1,244,091.08 × 519,752.78
  4. Step 4: Simplify right side
    901,734.20x = 646,619,797,403.20
  5. Step 5: Solve for x
    x = 646,619,797,403.20/901,734.20
  6. Step 6: Final answer
    x = 717,084.70

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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.