Home / 998,836.02-1,378,079.64-611,247.38

Finding the Fourth Proportional to 998,836.02, 1,378,079.64 and 611,247.38

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Solution

The fourth proportional to 998,836.02, 1,378,079.64 and 611,247.38 is: 843,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,836.02 : 1,378,079.64 = 611,247.38 : x
  2. Step 2: Convert to fraction form
    998,836.02/1,378,079.64 = 611,247.38/x
  3. Step 3: Cross multiply
    998,836.02x = 1,378,079.64 × 611,247.38
  4. Step 4: Simplify right side
    998,836.02x = 842,347,562,490.95
  5. Step 5: Solve for x
    x = 842,347,562,490.95/998,836.02
  6. Step 6: Final answer
    x = 843,329.18

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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.