Home / 503,239.20-694,391.04-288,337.92

Finding the Fourth Proportional to 503,239.20, 694,391.04 and 288,337.92

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Solution

The fourth proportional to 503,239.20, 694,391.04 and 288,337.92 is: 397,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,239.20 : 694,391.04 = 288,337.92 : x
  2. Step 2: Convert to fraction form
    503,239.20/694,391.04 = 288,337.92/x
  3. Step 3: Cross multiply
    503,239.20x = 694,391.04 × 288,337.92
  4. Step 4: Simplify right side
    503,239.20x = 200,219,268,140.24
  5. Step 5: Solve for x
    x = 200,219,268,140.24/503,239.20
  6. Step 6: Final answer
    x = 397,861.03

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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.