Home / 1,192,491.60-1,645,488.72-806,147.42

Finding the Fourth Proportional to 1,192,491.60, 1,645,488.72 and 806,147.42

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Solution

The fourth proportional to 1,192,491.60, 1,645,488.72 and 806,147.42 is: 1,112,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,491.60 : 1,645,488.72 = 806,147.42 : x
  2. Step 2: Convert to fraction form
    1,192,491.60/1,645,488.72 = 806,147.42/x
  3. Step 3: Cross multiply
    1,192,491.60x = 1,645,488.72 × 806,147.42
  4. Step 4: Simplify right side
    1,192,491.60x = 1,326,506,478,039.66
  5. Step 5: Solve for x
    x = 1,326,506,478,039.66/1,192,491.60
  6. Step 6: Final answer
    x = 1,112,382.24

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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.