Home / 1,333,453.64-1,840,165.97-721,606.42

Finding the Fourth Proportional to 1,333,453.64, 1,840,165.97 and 721,606.42

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Solution

The fourth proportional to 1,333,453.64, 1,840,165.97 and 721,606.42 is: 995,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,453.64 : 1,840,165.97 = 721,606.42 : x
  2. Step 2: Convert to fraction form
    1,333,453.64/1,840,165.97 = 721,606.42/x
  3. Step 3: Cross multiply
    1,333,453.64x = 1,840,165.97 × 721,606.42
  4. Step 4: Simplify right side
    1,333,453.64x = 1,327,875,569,609.08
  5. Step 5: Solve for x
    x = 1,327,875,569,609.08/1,333,453.64
  6. Step 6: Final answer
    x = 995,816.82

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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.