Home / 1,077,822.12-1,616,992.89-403,909.29

Finding the Fourth Proportional to 1,077,822.12, 1,616,992.89 and 403,909.29

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Solution

The fourth proportional to 1,077,822.12, 1,616,992.89 and 403,909.29 is: 605,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,822.12 : 1,616,992.89 = 403,909.29 : x
  2. Step 2: Convert to fraction form
    1,077,822.12/1,616,992.89 = 403,909.29/x
  3. Step 3: Cross multiply
    1,077,822.12x = 1,616,992.89 × 403,909.29
  4. Step 4: Simplify right side
    1,077,822.12x = 653,118,450,134.95
  5. Step 5: Solve for x
    x = 653,118,450,134.95/1,077,822.12
  6. Step 6: Final answer
    x = 605,961.26

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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.