Home / 531,738.42-733,806.99-290,020.11

Finding the Fourth Proportional to 531,738.42, 733,806.99 and 290,020.11

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Solution

The fourth proportional to 531,738.42, 733,806.99 and 290,020.11 is: 400,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,738.42 : 733,806.99 = 290,020.11 : x
  2. Step 2: Convert to fraction form
    531,738.42/733,806.99 = 290,020.11/x
  3. Step 3: Cross multiply
    531,738.42x = 733,806.99 × 290,020.11
  4. Step 4: Simplify right side
    531,738.42x = 212,818,783,958.57
  5. Step 5: Solve for x
    x = 212,818,783,958.57/531,738.42
  6. Step 6: Final answer
    x = 400,232.10

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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.