Home / 1,212,304.78-1,672,991.92-668,460.05

Finding the Fourth Proportional to 1,212,304.78, 1,672,991.92 and 668,460.05

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Solution

The fourth proportional to 1,212,304.78, 1,672,991.92 and 668,460.05 is: 922,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,304.78 : 1,672,991.92 = 668,460.05 : x
  2. Step 2: Convert to fraction form
    1,212,304.78/1,672,991.92 = 668,460.05/x
  3. Step 3: Cross multiply
    1,212,304.78x = 1,672,991.92 × 668,460.05
  4. Step 4: Simplify right side
    1,212,304.78x = 1,118,328,262,492.80
  5. Step 5: Solve for x
    x = 1,118,328,262,492.80/1,212,304.78
  6. Step 6: Final answer
    x = 922,481.11

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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.