Home / 1,172,630.55-1,618,257.56-656,371.60

Finding the Fourth Proportional to 1,172,630.55, 1,618,257.56 and 656,371.60

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Solution

The fourth proportional to 1,172,630.55, 1,618,257.56 and 656,371.60 is: 905,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,630.55 : 1,618,257.56 = 656,371.60 : x
  2. Step 2: Convert to fraction form
    1,172,630.55/1,618,257.56 = 656,371.60/x
  3. Step 3: Cross multiply
    1,172,630.55x = 1,618,257.56 × 656,371.60
  4. Step 4: Simplify right side
    1,172,630.55x = 1,062,178,303,869.30
  5. Step 5: Solve for x
    x = 1,062,178,303,869.30/1,172,630.55
  6. Step 6: Final answer
    x = 905,808.15

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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.