Home / 1,333,516.62-1,840,253.11-721,669.55

Finding the Fourth Proportional to 1,333,516.62, 1,840,253.11 and 721,669.55

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Solution

The fourth proportional to 1,333,516.62, 1,840,253.11 and 721,669.55 is: 995,904.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,516.62 : 1,840,253.11 = 721,669.55 : x
  2. Step 2: Convert to fraction form
    1,333,516.62/1,840,253.11 = 721,669.55/x
  3. Step 3: Cross multiply
    1,333,516.62x = 1,840,253.11 × 721,669.55
  4. Step 4: Simplify right side
    1,333,516.62x = 1,328,054,622,774.36
  5. Step 5: Solve for x
    x = 1,328,054,622,774.36/1,333,516.62
  6. Step 6: Final answer
    x = 995,904.07

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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.