Home / 1,033,491.38-1,550,136.80-313,839.28

Finding the Fourth Proportional to 1,033,491.38, 1,550,136.80 and 313,839.28

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Solution

The fourth proportional to 1,033,491.38, 1,550,136.80 and 313,839.28 is: 470,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,491.38 : 1,550,136.80 = 313,839.28 : x
  2. Step 2: Convert to fraction form
    1,033,491.38/1,550,136.80 = 313,839.28/x
  3. Step 3: Cross multiply
    1,033,491.38x = 1,550,136.80 × 313,839.28
  4. Step 4: Simplify right side
    1,033,491.38x = 486,493,817,213.50
  5. Step 5: Solve for x
    x = 486,493,817,213.50/1,033,491.38
  6. Step 6: Final answer
    x = 470,728.47

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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.