Home / 998,033.40-1,377,286.02-545,324.40

Finding the Fourth Proportional to 998,033.40, 1,377,286.02 and 545,324.40

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Solution

The fourth proportional to 998,033.40, 1,377,286.02 and 545,324.40 is: 752,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,033.40 : 1,377,286.02 = 545,324.40 : x
  2. Step 2: Convert to fraction form
    998,033.40/1,377,286.02 = 545,324.40/x
  3. Step 3: Cross multiply
    998,033.40x = 1,377,286.02 × 545,324.40
  4. Step 4: Simplify right side
    998,033.40x = 751,067,672,484.89
  5. Step 5: Solve for x
    x = 751,067,672,484.89/998,033.40
  6. Step 6: Final answer
    x = 752,547.63

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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.