Home / 669,153.11-923,406.24-363,222.90

Finding the Fourth Proportional to 669,153.11, 923,406.24 and 363,222.90

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Solution

The fourth proportional to 669,153.11, 923,406.24 and 363,222.90 is: 501,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,153.11 : 923,406.24 = 363,222.90 : x
  2. Step 2: Convert to fraction form
    669,153.11/923,406.24 = 363,222.90/x
  3. Step 3: Cross multiply
    669,153.11x = 923,406.24 × 363,222.90
  4. Step 4: Simplify right side
    669,153.11x = 335,402,293,732.98
  5. Step 5: Solve for x
    x = 335,402,293,732.98/669,153.11
  6. Step 6: Final answer
    x = 501,234.01

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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.