Home / 351,640.10-527,114.55-314,315.30

Finding the Fourth Proportional to 351,640.10, 527,114.55 and 314,315.30

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Solution

The fourth proportional to 351,640.10, 527,114.55 and 314,315.30 is: 471,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,640.10 : 527,114.55 = 314,315.30 : x
  2. Step 2: Convert to fraction form
    351,640.10/527,114.55 = 314,315.30/x
  3. Step 3: Cross multiply
    351,640.10x = 527,114.55 × 314,315.30
  4. Step 4: Simplify right side
    351,640.10x = 165,680,167,917.62
  5. Step 5: Solve for x
    x = 165,680,167,917.62/351,640.10
  6. Step 6: Final answer
    x = 471,164.03

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1.5x scale

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.