Home / 1,229,036.93-1,696,078.35-685,207.26

Finding the Fourth Proportional to 1,229,036.93, 1,696,078.35 and 685,207.26

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Solution

The fourth proportional to 1,229,036.93, 1,696,078.35 and 685,207.26 is: 945,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,036.93 : 1,696,078.35 = 685,207.26 : x
  2. Step 2: Convert to fraction form
    1,229,036.93/1,696,078.35 = 685,207.26/x
  3. Step 3: Cross multiply
    1,229,036.93x = 1,696,078.35 × 685,207.26
  4. Step 4: Simplify right side
    1,229,036.93x = 1,162,165,198,948.82
  5. Step 5: Solve for x
    x = 1,162,165,198,948.82/1,229,036.93
  6. Step 6: Final answer
    x = 945,590.14

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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.