Home / 1,294,850.59-1,788,022.11-812,245.30

Finding the Fourth Proportional to 1,294,850.59, 1,788,022.11 and 812,245.30

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Solution

The fourth proportional to 1,294,850.59, 1,788,022.11 and 812,245.30 is: 1,121,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,850.59 : 1,788,022.11 = 812,245.30 : x
  2. Step 2: Convert to fraction form
    1,294,850.59/1,788,022.11 = 812,245.30/x
  3. Step 3: Cross multiply
    1,294,850.59x = 1,788,022.11 × 812,245.30
  4. Step 4: Simplify right side
    1,294,850.59x = 1,452,312,555,143.58
  5. Step 5: Solve for x
    x = 1,452,312,555,143.58/1,294,850.59
  6. Step 6: Final answer
    x = 1,121,606.28

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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.