Home / 1,026,760.76-1,540,143.75-419,549.09

Finding the Fourth Proportional to 1,026,760.76, 1,540,143.75 and 419,549.09

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Solution

The fourth proportional to 1,026,760.76, 1,540,143.75 and 419,549.09 is: 629,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,760.76 : 1,540,143.75 = 419,549.09 : x
  2. Step 2: Convert to fraction form
    1,026,760.76/1,540,143.75 = 419,549.09/x
  3. Step 3: Cross multiply
    1,026,760.76x = 1,540,143.75 × 419,549.09
  4. Step 4: Simplify right side
    1,026,760.76x = 646,165,901,080.97
  5. Step 5: Solve for x
    x = 646,165,901,080.97/1,026,760.76
  6. Step 6: Final answer
    x = 629,324.70

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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.