Home / 351,638.10-527,111.55-314,313.30

Finding the Fourth Proportional to 351,638.10, 527,111.55 and 314,313.30

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Solution

The fourth proportional to 351,638.10, 527,111.55 and 314,313.30 is: 471,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,638.10 : 527,111.55 = 314,313.30 : x
  2. Step 2: Convert to fraction form
    351,638.10/527,111.55 = 314,313.30/x
  3. Step 3: Cross multiply
    351,638.10x = 527,111.55 × 314,313.30
  4. Step 4: Simplify right side
    351,638.10x = 165,678,170,748.62
  5. Step 5: Solve for x
    x = 165,678,170,748.62/351,638.10
  6. Step 6: Final answer
    x = 471,161.03

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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.