Home / 1,176,621.75-1,623,669.78-660,327.42

Finding the Fourth Proportional to 1,176,621.75, 1,623,669.78 and 660,327.42

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Solution

The fourth proportional to 1,176,621.75, 1,623,669.78 and 660,327.42 is: 911,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,621.75 : 1,623,669.78 = 660,327.42 : x
  2. Step 2: Convert to fraction form
    1,176,621.75/1,623,669.78 = 660,327.42/x
  3. Step 3: Cross multiply
    1,176,621.75x = 1,623,669.78 × 660,327.42
  4. Step 4: Simplify right side
    1,176,621.75x = 1,072,153,676,759.37
  5. Step 5: Solve for x
    x = 1,072,153,676,759.37/1,176,621.75
  6. Step 6: Final answer
    x = 911,213.55

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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.