Home / 637,999.20-956,455.20-282,819.60

Finding the Fourth Proportional to 637,999.20, 956,455.20 and 282,819.60

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Solution

The fourth proportional to 637,999.20, 956,455.20 and 282,819.60 is: 423,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,999.20 : 956,455.20 = 282,819.60 : x
  2. Step 2: Convert to fraction form
    637,999.20/956,455.20 = 282,819.60/x
  3. Step 3: Cross multiply
    637,999.20x = 956,455.20 × 282,819.60
  4. Step 4: Simplify right side
    637,999.20x = 270,504,277,081.92
  5. Step 5: Solve for x
    x = 270,504,277,081.92/637,999.20
  6. Step 6: Final answer
    x = 423,988.43

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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.