Home / 1,985,256.27-2,976,432.62-636,651.23

Finding the Fourth Proportional to 1,985,256.27, 2,976,432.62 and 636,651.23

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Solution

The fourth proportional to 1,985,256.27, 2,976,432.62 and 636,651.23 is: 954,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,256.27 : 2,976,432.62 = 636,651.23 : x
  2. Step 2: Convert to fraction form
    1,985,256.27/2,976,432.62 = 636,651.23/x
  3. Step 3: Cross multiply
    1,985,256.27x = 2,976,432.62 × 636,651.23
  4. Step 4: Simplify right side
    1,985,256.27x = 1,894,949,474,986.06
  5. Step 5: Solve for x
    x = 1,894,949,474,986.06/1,985,256.27
  6. Step 6: Final answer
    x = 954,511.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.