Home / 1,189,653.36-1,641,733.56-645,793.44

Finding the Fourth Proportional to 1,189,653.36, 1,641,733.56 and 645,793.44

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Solution

The fourth proportional to 1,189,653.36, 1,641,733.56 and 645,793.44 is: 891,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,653.36 : 1,641,733.56 = 645,793.44 : x
  2. Step 2: Convert to fraction form
    1,189,653.36/1,641,733.56 = 645,793.44/x
  3. Step 3: Cross multiply
    1,189,653.36x = 1,641,733.56 × 645,793.44
  4. Step 4: Simplify right side
    1,189,653.36x = 1,060,220,763,275.85
  5. Step 5: Solve for x
    x = 1,060,220,763,275.85/1,189,653.36
  6. Step 6: Final answer
    x = 891,201.42

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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.