Home / 998,880.35-1,378,117.58-568,856.01

Finding the Fourth Proportional to 998,880.35, 1,378,117.58 and 568,856.01

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Solution

The fourth proportional to 998,880.35, 1,378,117.58 and 568,856.01 is: 784,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,880.35 : 1,378,117.58 = 568,856.01 : x
  2. Step 2: Convert to fraction form
    998,880.35/1,378,117.58 = 568,856.01/x
  3. Step 3: Cross multiply
    998,880.35x = 1,378,117.58 × 568,856.01
  4. Step 4: Simplify right side
    998,880.35x = 783,950,467,869.66
  5. Step 5: Solve for x
    x = 783,950,467,869.66/998,880.35
  6. Step 6: Final answer
    x = 784,829.20

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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.