Home / 882,146.63-1,217,383.31-494,990.69

Finding the Fourth Proportional to 882,146.63, 1,217,383.31 and 494,990.69

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Solution

The fourth proportional to 882,146.63, 1,217,383.31 and 494,990.69 is: 683,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,146.63 : 1,217,383.31 = 494,990.69 : x
  2. Step 2: Convert to fraction form
    882,146.63/1,217,383.31 = 494,990.69/x
  3. Step 3: Cross multiply
    882,146.63x = 1,217,383.31 × 494,990.69
  4. Step 4: Simplify right side
    882,146.63x = 602,593,396,049.51
  5. Step 5: Solve for x
    x = 602,593,396,049.51/882,146.63
  6. Step 6: Final answer
    x = 683,098.91

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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.