Home / 1,446,136.92-2,168,768.66-434,990.43

Finding the Fourth Proportional to 1,446,136.92, 2,168,768.66 and 434,990.43

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Solution

The fourth proportional to 1,446,136.92, 2,168,768.66 and 434,990.43 is: 652,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,136.92 : 2,168,768.66 = 434,990.43 : x
  2. Step 2: Convert to fraction form
    1,446,136.92/2,168,768.66 = 434,990.43/x
  3. Step 3: Cross multiply
    1,446,136.92x = 2,168,768.66 × 434,990.43
  4. Step 4: Simplify right side
    1,446,136.92x = 943,393,609,808.97
  5. Step 5: Solve for x
    x = 943,393,609,808.97/1,446,136.92
  6. Step 6: Final answer
    x = 652,354.28

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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.