Home / 998,764.74-1,378,301.13-546,055.74

Finding the Fourth Proportional to 998,764.74, 1,378,301.13 and 546,055.74

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Solution

The fourth proportional to 998,764.74, 1,378,301.13 and 546,055.74 is: 753,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,764.74 : 1,378,301.13 = 546,055.74 : x
  2. Step 2: Convert to fraction form
    998,764.74/1,378,301.13 = 546,055.74/x
  3. Step 3: Cross multiply
    998,764.74x = 1,378,301.13 × 546,055.74
  4. Step 4: Simplify right side
    998,764.74x = 752,629,243,484.99
  5. Step 5: Solve for x
    x = 752,629,243,484.99/998,764.74
  6. Step 6: Final answer
    x = 753,560.09

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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.