Home / 1,275,564.11-1,913,348.59-1,197,619.43

Finding the Fourth Proportional to 1,275,564.11, 1,913,348.59 and 1,197,619.43

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Solution

The fourth proportional to 1,275,564.11, 1,913,348.59 and 1,197,619.43 is: 1,796,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,564.11 : 1,913,348.59 = 1,197,619.43 : x
  2. Step 2: Convert to fraction form
    1,275,564.11/1,913,348.59 = 1,197,619.43/x
  3. Step 3: Cross multiply
    1,275,564.11x = 1,913,348.59 × 1,197,619.43
  4. Step 4: Simplify right side
    1,275,564.11x = 2,291,463,435,186.31
  5. Step 5: Solve for x
    x = 2,291,463,435,186.31/1,275,564.11
  6. Step 6: Final answer
    x = 1,796,431.42

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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.