Home / 1,403,016.66-1,935,721.76-858,584.88

Finding the Fourth Proportional to 1,403,016.66, 1,935,721.76 and 858,584.88

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Solution

The fourth proportional to 1,403,016.66, 1,935,721.76 and 858,584.88 is: 1,184,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,016.66 : 1,935,721.76 = 858,584.88 : x
  2. Step 2: Convert to fraction form
    1,403,016.66/1,935,721.76 = 858,584.88/x
  3. Step 3: Cross multiply
    1,403,016.66x = 1,935,721.76 × 858,584.88
  4. Step 4: Simplify right side
    1,403,016.66x = 1,661,981,435,022.99
  5. Step 5: Solve for x
    x = 1,661,981,435,022.99/1,403,016.66
  6. Step 6: Final answer
    x = 1,184,577.12

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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.