Home / 1,192,519.76-1,645,527.58-806,175.60

Finding the Fourth Proportional to 1,192,519.76, 1,645,527.58 and 806,175.60

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Solution

The fourth proportional to 1,192,519.76, 1,645,527.58 and 806,175.60 is: 1,112,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,519.76 : 1,645,527.58 = 806,175.60 : x
  2. Step 2: Convert to fraction form
    1,192,519.76/1,645,527.58 = 806,175.60/x
  3. Step 3: Cross multiply
    1,192,519.76x = 1,645,527.58 × 806,175.60
  4. Step 4: Simplify right side
    1,192,519.76x = 1,326,584,184,123.05
  5. Step 5: Solve for x
    x = 1,326,584,184,123.05/1,192,519.76
  6. Step 6: Final answer
    x = 1,112,421.13

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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.