Home / 998,036.40-1,377,371.88-568,451.28

Finding the Fourth Proportional to 998,036.40, 1,377,371.88 and 568,451.28

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Solution

The fourth proportional to 998,036.40, 1,377,371.88 and 568,451.28 is: 784,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,036.40 : 1,377,371.88 = 568,451.28 : x
  2. Step 2: Convert to fraction form
    998,036.40/1,377,371.88 = 568,451.28/x
  3. Step 3: Cross multiply
    998,036.40x = 1,377,371.88 × 568,451.28
  4. Step 4: Simplify right side
    998,036.40x = 782,968,808,222.01
  5. Step 5: Solve for x
    x = 782,968,808,222.01/998,036.40
  6. Step 6: Final answer
    x = 784,509.27

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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.