Home / 823,363.69-1,136,217.44-455,857.17

Finding the Fourth Proportional to 823,363.69, 1,136,217.44 and 455,857.17

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Solution

The fourth proportional to 823,363.69, 1,136,217.44 and 455,857.17 is: 629,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,363.69 : 1,136,217.44 = 455,857.17 : x
  2. Step 2: Convert to fraction form
    823,363.69/1,136,217.44 = 455,857.17/x
  3. Step 3: Cross multiply
    823,363.69x = 1,136,217.44 × 455,857.17
  4. Step 4: Simplify right side
    823,363.69x = 517,952,869,973.10
  5. Step 5: Solve for x
    x = 517,952,869,973.10/823,363.69
  6. Step 6: Final answer
    x = 629,069.36

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Double scale
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1.5x scale

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.