Home / 1,193,197.17-1,789,081.86-809,417.64

Finding the Fourth Proportional to 1,193,197.17, 1,789,081.86 and 809,417.64

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Solution

The fourth proportional to 1,193,197.17, 1,789,081.86 and 809,417.64 is: 1,213,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,197.17 : 1,789,081.86 = 809,417.64 : x
  2. Step 2: Convert to fraction form
    1,193,197.17/1,789,081.86 = 809,417.64/x
  3. Step 3: Cross multiply
    1,193,197.17x = 1,789,081.86 × 809,417.64
  4. Step 4: Simplify right side
    1,193,197.17x = 1,448,114,416,888.01
  5. Step 5: Solve for x
    x = 1,448,114,416,888.01/1,193,197.17
  6. Step 6: Final answer
    x = 1,213,642.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.