Home / 1,251,112.60-1,876,668.75-1,082,130.71

Finding the Fourth Proportional to 1,251,112.60, 1,876,668.75 and 1,082,130.71

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Solution

The fourth proportional to 1,251,112.60, 1,876,668.75 and 1,082,130.71 is: 1,623,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,112.60 : 1,876,668.75 = 1,082,130.71 : x
  2. Step 2: Convert to fraction form
    1,251,112.60/1,876,668.75 = 1,082,130.71/x
  3. Step 3: Cross multiply
    1,251,112.60x = 1,876,668.75 × 1,082,130.71
  4. Step 4: Simplify right side
    1,251,112.60x = 2,030,800,874,783.64
  5. Step 5: Solve for x
    x = 2,030,800,874,783.64/1,251,112.60
  6. Step 6: Final answer
    x = 1,623,195.93

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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.