Home / 531,820.53-733,916.97-290,104.11

Finding the Fourth Proportional to 531,820.53, 733,916.97 and 290,104.11

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Solution

The fourth proportional to 531,820.53, 733,916.97 and 290,104.11 is: 400,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,820.53 : 733,916.97 = 290,104.11 : x
  2. Step 2: Convert to fraction form
    531,820.53/733,916.97 = 290,104.11/x
  3. Step 3: Cross multiply
    531,820.53x = 733,916.97 × 290,104.11
  4. Step 4: Simplify right side
    531,820.53x = 212,912,329,395.75
  5. Step 5: Solve for x
    x = 212,912,329,395.75/531,820.53
  6. Step 6: Final answer
    x = 400,346.20

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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.