Home / 908,190.48-1,253,238.14-540,648.12

Finding the Fourth Proportional to 908,190.48, 1,253,238.14 and 540,648.12

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Solution

The fourth proportional to 908,190.48, 1,253,238.14 and 540,648.12 is: 746,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,190.48 : 1,253,238.14 = 540,648.12 : x
  2. Step 2: Convert to fraction form
    908,190.48/1,253,238.14 = 540,648.12/x
  3. Step 3: Cross multiply
    908,190.48x = 1,253,238.14 × 540,648.12
  4. Step 4: Simplify right side
    908,190.48x = 677,560,844,303.30
  5. Step 5: Solve for x
    x = 677,560,844,303.30/908,190.48
  6. Step 6: Final answer
    x = 746,055.88

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Double scale
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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.