Home / 1,172,629.55-1,618,256.18-656,370.60

Finding the Fourth Proportional to 1,172,629.55, 1,618,256.18 and 656,370.60

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Solution

The fourth proportional to 1,172,629.55, 1,618,256.18 and 656,370.60 is: 905,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,629.55 : 1,618,256.18 = 656,370.60 : x
  2. Step 2: Convert to fraction form
    1,172,629.55/1,618,256.18 = 656,370.60/x
  3. Step 3: Cross multiply
    1,172,629.55x = 1,618,256.18 × 656,370.60
  4. Step 4: Simplify right side
    1,172,629.55x = 1,062,175,787,694.18
  5. Step 5: Solve for x
    x = 1,062,175,787,694.18/1,172,629.55
  6. Step 6: Final answer
    x = 905,806.77

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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.