Home / 1,197,950.21-1,653,194.31-654,107.55

Finding the Fourth Proportional to 1,197,950.21, 1,653,194.31 and 654,107.55

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Solution

The fourth proportional to 1,197,950.21, 1,653,194.31 and 654,107.55 is: 902,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,950.21 : 1,653,194.31 = 654,107.55 : x
  2. Step 2: Convert to fraction form
    1,197,950.21/1,653,194.31 = 654,107.55/x
  3. Step 3: Cross multiply
    1,197,950.21x = 1,653,194.31 × 654,107.55
  4. Step 4: Simplify right side
    1,197,950.21x = 1,081,366,880,434.88
  5. Step 5: Solve for x
    x = 1,081,366,880,434.88/1,197,950.21
  6. Step 6: Final answer
    x = 902,680.99

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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.