Home / 2,279,176.76-3,145,346.16-1,260,588.80

Finding the Fourth Proportional to 2,279,176.76, 3,145,346.16 and 1,260,588.80

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Solution

The fourth proportional to 2,279,176.76, 3,145,346.16 and 1,260,588.80 is: 1,739,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,176.76 : 3,145,346.16 = 1,260,588.80 : x
  2. Step 2: Convert to fraction form
    2,279,176.76/3,145,346.16 = 1,260,588.80/x
  3. Step 3: Cross multiply
    2,279,176.76x = 3,145,346.16 × 1,260,588.80
  4. Step 4: Simplify right side
    2,279,176.76x = 3,964,988,141,419.01
  5. Step 5: Solve for x
    x = 3,964,988,141,419.01/2,279,176.76
  6. Step 6: Final answer
    x = 1,739,658.03

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Double scale
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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.