Home / 613,842.72-847,049.04-341,890.08

Finding the Fourth Proportional to 613,842.72, 847,049.04 and 341,890.08

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Solution

The fourth proportional to 613,842.72, 847,049.04 and 341,890.08 is: 471,778.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,842.72 : 847,049.04 = 341,890.08 : x
  2. Step 2: Convert to fraction form
    613,842.72/847,049.04 = 341,890.08/x
  3. Step 3: Cross multiply
    613,842.72x = 847,049.04 × 341,890.08
  4. Step 4: Simplify right side
    613,842.72x = 289,597,664,049.52
  5. Step 5: Solve for x
    x = 289,597,664,049.52/613,842.72
  6. Step 6: Final answer
    x = 471,778.28

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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.