Home / 1,236,860.07-1,706,112.45-817,754.37

Finding the Fourth Proportional to 1,236,860.07, 1,706,112.45 and 817,754.37

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Solution

The fourth proportional to 1,236,860.07, 1,706,112.45 and 817,754.37 is: 1,128,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,860.07 : 1,706,112.45 = 817,754.37 : x
  2. Step 2: Convert to fraction form
    1,236,860.07/1,706,112.45 = 817,754.37/x
  3. Step 3: Cross multiply
    1,236,860.07x = 1,706,112.45 × 817,754.37
  4. Step 4: Simplify right side
    1,236,860.07x = 1,395,180,911,698.91
  5. Step 5: Solve for x
    x = 1,395,180,911,698.91/1,236,860.07
  6. Step 6: Final answer
    x = 1,128,002.23

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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.