Home / 957,305.11-1,321,021.69-527,561.23

Finding the Fourth Proportional to 957,305.11, 1,321,021.69 and 527,561.23

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Solution

The fourth proportional to 957,305.11, 1,321,021.69 and 527,561.23 is: 728,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,305.11 : 1,321,021.69 = 527,561.23 : x
  2. Step 2: Convert to fraction form
    957,305.11/1,321,021.69 = 527,561.23/x
  3. Step 3: Cross multiply
    957,305.11x = 1,321,021.69 × 527,561.23
  4. Step 4: Simplify right side
    957,305.11x = 696,919,827,633.08
  5. Step 5: Solve for x
    x = 696,919,827,633.08/957,305.11
  6. Step 6: Final answer
    x = 728,001.78

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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.