Home / 1,489,166.66-2,233,721.19-424,215.62

Finding the Fourth Proportional to 1,489,166.66, 2,233,721.19 and 424,215.62

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Solution

The fourth proportional to 1,489,166.66, 2,233,721.19 and 424,215.62 is: 636,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,166.66 : 2,233,721.19 = 424,215.62 : x
  2. Step 2: Convert to fraction form
    1,489,166.66/2,233,721.19 = 424,215.62/x
  3. Step 3: Cross multiply
    1,489,166.66x = 2,233,721.19 × 424,215.62
  4. Step 4: Simplify right side
    1,489,166.66x = 947,579,419,522.99
  5. Step 5: Solve for x
    x = 947,579,419,522.99/1,489,166.66
  6. Step 6: Final answer
    x = 636,315.23

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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.