Home / 1,328,517.90-1,992,763.71-608,655.41

Finding the Fourth Proportional to 1,328,517.90, 1,992,763.71 and 608,655.41

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Solution

The fourth proportional to 1,328,517.90, 1,992,763.71 and 608,655.41 is: 912,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,517.90 : 1,992,763.71 = 608,655.41 : x
  2. Step 2: Convert to fraction form
    1,328,517.90/1,992,763.71 = 608,655.41/x
  3. Step 3: Cross multiply
    1,328,517.90x = 1,992,763.71 × 608,655.41
  4. Step 4: Simplify right side
    1,328,517.90x = 1,212,906,412,943.17
  5. Step 5: Solve for x
    x = 1,212,906,412,943.17/1,328,517.90
  6. Step 6: Final answer
    x = 912,977.09

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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.