Home / 998,018.41-1,377,264.05-568,298.54

Finding the Fourth Proportional to 998,018.41, 1,377,264.05 and 568,298.54

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Solution

The fourth proportional to 998,018.41, 1,377,264.05 and 568,298.54 is: 784,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,018.41 : 1,377,264.05 = 568,298.54 : x
  2. Step 2: Convert to fraction form
    998,018.41/1,377,264.05 = 568,298.54/x
  3. Step 3: Cross multiply
    998,018.41x = 1,377,264.05 × 568,298.54
  4. Step 4: Simplify right side
    998,018.41x = 782,697,150,025.46
  5. Step 5: Solve for x
    x = 782,697,150,025.46/998,018.41
  6. Step 6: Final answer
    x = 784,251.21

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1.5x scale

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.