Home / 669,465.20-923,858.94-363,539.12

Finding the Fourth Proportional to 669,465.20, 923,858.94 and 363,539.12

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Solution

The fourth proportional to 669,465.20, 923,858.94 and 363,539.12 is: 501,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,465.20 : 923,858.94 = 363,539.12 : x
  2. Step 2: Convert to fraction form
    669,465.20/923,858.94 = 363,539.12/x
  3. Step 3: Cross multiply
    669,465.20x = 923,858.94 × 363,539.12
  4. Step 4: Simplify right side
    669,465.20x = 335,858,866,051.73
  5. Step 5: Solve for x
    x = 335,858,866,051.73/669,465.20
  6. Step 6: Final answer
    x = 501,682.34

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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.