Home / 1,131,347.74-1,696,576.92-411,518.56

Finding the Fourth Proportional to 1,131,347.74, 1,696,576.92 and 411,518.56

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Solution

The fourth proportional to 1,131,347.74, 1,696,576.92 and 411,518.56 is: 617,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,347.74 : 1,696,576.92 = 411,518.56 : x
  2. Step 2: Convert to fraction form
    1,131,347.74/1,696,576.92 = 411,518.56/x
  3. Step 3: Cross multiply
    1,131,347.74x = 1,696,576.92 × 411,518.56
  4. Step 4: Simplify right side
    1,131,347.74x = 698,172,889,601.48
  5. Step 5: Solve for x
    x = 698,172,889,601.48/1,131,347.74
  6. Step 6: Final answer
    x = 617,116.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.