Home / 1,229,588.31-1,696,828.57-685,724.74

Finding the Fourth Proportional to 1,229,588.31, 1,696,828.57 and 685,724.74

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Solution

The fourth proportional to 1,229,588.31, 1,696,828.57 and 685,724.74 is: 946,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,588.31 : 1,696,828.57 = 685,724.74 : x
  2. Step 2: Convert to fraction form
    1,229,588.31/1,696,828.57 = 685,724.74/x
  3. Step 3: Cross multiply
    1,229,588.31x = 1,696,828.57 × 685,724.74
  4. Step 4: Simplify right side
    1,229,588.31x = 1,163,557,329,987.82
  5. Step 5: Solve for x
    x = 1,163,557,329,987.82/1,229,588.31
  6. Step 6: Final answer
    x = 946,298.30

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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.