Home / 669,145.96-923,422.23-363,222.18

Finding the Fourth Proportional to 669,145.96, 923,422.23 and 363,222.18

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Solution

The fourth proportional to 669,145.96, 923,422.23 and 363,222.18 is: 501,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,145.96 : 923,422.23 = 363,222.18 : x
  2. Step 2: Convert to fraction form
    669,145.96/923,422.23 = 363,222.18/x
  3. Step 3: Cross multiply
    669,145.96x = 923,422.23 × 363,222.18
  4. Step 4: Simplify right side
    669,145.96x = 335,407,435,441.06
  5. Step 5: Solve for x
    x = 335,407,435,441.06/669,145.96
  6. Step 6: Final answer
    x = 501,247.05

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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.