Home / 351,871.19-527,725.83-209,756.59

Finding the Fourth Proportional to 351,871.19, 527,725.83 and 209,756.59

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Solution

The fourth proportional to 351,871.19, 527,725.83 and 209,756.59 is: 314,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,871.19 : 527,725.83 = 209,756.59 : x
  2. Step 2: Convert to fraction form
    351,871.19/527,725.83 = 209,756.59/x
  3. Step 3: Cross multiply
    351,871.19x = 527,725.83 × 209,756.59
  4. Step 4: Simplify right side
    351,871.19x = 110,693,970,022.99
  5. Step 5: Solve for x
    x = 110,693,970,022.99/351,871.19
  6. Step 6: Final answer
    x = 314,586.63

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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.