Home / 654,748.62-903,417.50-382,763.73

Finding the Fourth Proportional to 654,748.62, 903,417.50 and 382,763.73

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Solution

The fourth proportional to 654,748.62, 903,417.50 and 382,763.73 is: 528,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,748.62 : 903,417.50 = 382,763.73 : x
  2. Step 2: Convert to fraction form
    654,748.62/903,417.50 = 382,763.73/x
  3. Step 3: Cross multiply
    654,748.62x = 903,417.50 × 382,763.73
  4. Step 4: Simplify right side
    654,748.62x = 345,795,451,310.28
  5. Step 5: Solve for x
    x = 345,795,451,310.28/654,748.62
  6. Step 6: Final answer
    x = 528,134.68

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Double scale
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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.