Home / 1,208,570.80-1,667,696.88-699,178

Finding the Fourth Proportional to 1,208,570.80, 1,667,696.88 and 699,178

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Solution

The fourth proportional to 1,208,570.80, 1,667,696.88 and 699,178 is: 964,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,570.80 : 1,667,696.88 = 699,178 : x
  2. Step 2: Convert to fraction form
    1,208,570.80/1,667,696.88 = 699,178/x
  3. Step 3: Cross multiply
    1,208,570.80x = 1,667,696.88 × 699,178
  4. Step 4: Simplify right side
    1,208,570.80x = 1,166,016,969,164.64
  5. Step 5: Solve for x
    x = 1,166,016,969,164.64/1,208,570.80
  6. Step 6: Final answer
    x = 964,789.96

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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.