Home / 669,149.41-923,401.15-363,219.21

Finding the Fourth Proportional to 669,149.41, 923,401.15 and 363,219.21

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Solution

The fourth proportional to 669,149.41, 923,401.15 and 363,219.21 is: 501,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,149.41 : 923,401.15 = 363,219.21 : x
  2. Step 2: Convert to fraction form
    669,149.41/923,401.15 = 363,219.21/x
  3. Step 3: Cross multiply
    669,149.41x = 923,401.15 × 363,219.21
  4. Step 4: Simplify right side
    669,149.41x = 335,397,036,216.09
  5. Step 5: Solve for x
    x = 335,397,036,216.09/669,149.41
  6. Step 6: Final answer
    x = 501,228.92

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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.