Home / 621,860.24-927,940.46-554,839.76

Finding the Fourth Proportional to 621,860.24, 927,940.46 and 554,839.76

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Solution

The fourth proportional to 621,860.24, 927,940.46 and 554,839.76 is: 827,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,860.24 : 927,940.46 = 554,839.76 : x
  2. Step 2: Convert to fraction form
    621,860.24/927,940.46 = 554,839.76/x
  3. Step 3: Cross multiply
    621,860.24x = 927,940.46 × 554,839.76
  4. Step 4: Simplify right side
    621,860.24x = 514,858,262,120.69
  5. Step 5: Solve for x
    x = 514,858,262,120.69/621,860.24
  6. Step 6: Final answer
    x = 827,932.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.