Home / 1,088,273.80-1,632,410.70-423,425.80

Finding the Fourth Proportional to 1,088,273.80, 1,632,410.70 and 423,425.80

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Solution

The fourth proportional to 1,088,273.80, 1,632,410.70 and 423,425.80 is: 635,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,273.80 : 1,632,410.70 = 423,425.80 : x
  2. Step 2: Convert to fraction form
    1,088,273.80/1,632,410.70 = 423,425.80/x
  3. Step 3: Cross multiply
    1,088,273.80x = 1,632,410.70 × 423,425.80
  4. Step 4: Simplify right side
    1,088,273.80x = 691,204,806,576.06
  5. Step 5: Solve for x
    x = 691,204,806,576.06/1,088,273.80
  6. Step 6: Final answer
    x = 635,138.70

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Double scale
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Similar ratio
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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.