Home / 531,858.69-733,964.99-290,142.24

Finding the Fourth Proportional to 531,858.69, 733,964.99 and 290,142.24

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Solution

The fourth proportional to 531,858.69, 733,964.99 and 290,142.24 is: 400,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,858.69 : 733,964.99 = 290,142.24 : x
  2. Step 2: Convert to fraction form
    531,858.69/733,964.99 = 290,142.24/x
  3. Step 3: Cross multiply
    531,858.69x = 733,964.99 × 290,142.24
  4. Step 4: Simplify right side
    531,858.69x = 212,954,246,280.18
  5. Step 5: Solve for x
    x = 212,954,246,280.18/531,858.69
  6. Step 6: Final answer
    x = 400,396.29

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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.