Home / 621,285.66-931,819.14-165,882.55

Finding the Fourth Proportional to 621,285.66, 931,819.14 and 165,882.55

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Solution

The fourth proportional to 621,285.66, 931,819.14 and 165,882.55 is: 248,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,285.66 : 931,819.14 = 165,882.55 : x
  2. Step 2: Convert to fraction form
    621,285.66/931,819.14 = 165,882.55/x
  3. Step 3: Cross multiply
    621,285.66x = 931,819.14 × 165,882.55
  4. Step 4: Simplify right side
    621,285.66x = 154,572,534,499.62
  5. Step 5: Solve for x
    x = 154,572,534,499.62/621,285.66
  6. Step 6: Final answer
    x = 248,794.63

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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.