Home / 1,332,902.22-1,839,399.51-721,053.45

Finding the Fourth Proportional to 1,332,902.22, 1,839,399.51 and 721,053.45

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Solution

The fourth proportional to 1,332,902.22, 1,839,399.51 and 721,053.45 is: 995,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,902.22 : 1,839,399.51 = 721,053.45 : x
  2. Step 2: Convert to fraction form
    1,332,902.22/1,839,399.51 = 721,053.45/x
  3. Step 3: Cross multiply
    1,332,902.22x = 1,839,399.51 × 721,053.45
  4. Step 4: Simplify right side
    1,332,902.22x = 1,326,305,362,613.81
  5. Step 5: Solve for x
    x = 1,326,305,362,613.81/1,332,902.22
  6. Step 6: Final answer
    x = 995,050.76

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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.