Home / 654,992.20-983,006.70-255,824.20

Finding the Fourth Proportional to 654,992.20, 983,006.70 and 255,824.20

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Solution

The fourth proportional to 654,992.20, 983,006.70 and 255,824.20 is: 383,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,992.20 : 983,006.70 = 255,824.20 : x
  2. Step 2: Convert to fraction form
    654,992.20/983,006.70 = 255,824.20/x
  3. Step 3: Cross multiply
    654,992.20x = 983,006.70 × 255,824.20
  4. Step 4: Simplify right side
    654,992.20x = 251,476,902,622.14
  5. Step 5: Solve for x
    x = 251,476,902,622.14/654,992.20
  6. Step 6: Final answer
    x = 383,938.77

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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.