Home / 922,198.06-1,272,634.54-508,725.51

Finding the Fourth Proportional to 922,198.06, 1,272,634.54 and 508,725.51

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Solution

The fourth proportional to 922,198.06, 1,272,634.54 and 508,725.51 is: 702,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,198.06 : 1,272,634.54 = 508,725.51 : x
  2. Step 2: Convert to fraction form
    922,198.06/1,272,634.54 = 508,725.51/x
  3. Step 3: Cross multiply
    922,198.06x = 1,272,634.54 × 508,725.51
  4. Step 4: Simplify right side
    922,198.06x = 647,421,656,519.49
  5. Step 5: Solve for x
    x = 647,421,656,519.49/922,198.06
  6. Step 6: Final answer
    x = 702,041.88

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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.