Home / 1,192,490.10-1,645,486.65-806,145.92

Finding the Fourth Proportional to 1,192,490.10, 1,645,486.65 and 806,145.92

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Solution

The fourth proportional to 1,192,490.10, 1,645,486.65 and 806,145.92 is: 1,112,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,490.10 : 1,645,486.65 = 806,145.92 : x
  2. Step 2: Convert to fraction form
    1,192,490.10/1,645,486.65 = 806,145.92/x
  3. Step 3: Cross multiply
    1,192,490.10x = 1,645,486.65 × 806,145.92
  4. Step 4: Simplify right side
    1,192,490.10x = 1,326,502,347,255.11
  5. Step 5: Solve for x
    x = 1,326,502,347,255.11/1,192,490.10
  6. Step 6: Final answer
    x = 1,112,380.18

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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.