Home / 1,168,123.28-1,612,007.88-658,824.08

Finding the Fourth Proportional to 1,168,123.28, 1,612,007.88 and 658,824.08

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Solution

The fourth proportional to 1,168,123.28, 1,612,007.88 and 658,824.08 is: 909,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,123.28 : 1,612,007.88 = 658,824.08 : x
  2. Step 2: Convert to fraction form
    1,168,123.28/1,612,007.88 = 658,824.08/x
  3. Step 3: Cross multiply
    1,168,123.28x = 1,612,007.88 × 658,824.08
  4. Step 4: Simplify right side
    1,168,123.28x = 1,062,029,608,493.75
  5. Step 5: Solve for x
    x = 1,062,029,608,493.75/1,168,123.28
  6. Step 6: Final answer
    x = 909,175.96

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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.