Home / 1,276,850.79-1,762,067.72-703,911.47

Finding the Fourth Proportional to 1,276,850.79, 1,762,067.72 and 703,911.47

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Solution

The fourth proportional to 1,276,850.79, 1,762,067.72 and 703,911.47 is: 971,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,850.79 : 1,762,067.72 = 703,911.47 : x
  2. Step 2: Convert to fraction form
    1,276,850.79/1,762,067.72 = 703,911.47/x
  3. Step 3: Cross multiply
    1,276,850.79x = 1,762,067.72 × 703,911.47
  4. Step 4: Simplify right side
    1,276,850.79x = 1,240,339,671,974.19
  5. Step 5: Solve for x
    x = 1,240,339,671,974.19/1,276,850.79
  6. Step 6: Final answer
    x = 971,405.34

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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.