Home / 656,041.38-905,346.21-365,644.91

Finding the Fourth Proportional to 656,041.38, 905,346.21 and 365,644.91

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Solution

The fourth proportional to 656,041.38, 905,346.21 and 365,644.91 is: 504,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,041.38 : 905,346.21 = 365,644.91 : x
  2. Step 2: Convert to fraction form
    656,041.38/905,346.21 = 365,644.91/x
  3. Step 3: Cross multiply
    656,041.38x = 905,346.21 × 365,644.91
  4. Step 4: Simplify right side
    656,041.38x = 331,035,233,474.29
  5. Step 5: Solve for x
    x = 331,035,233,474.29/656,041.38
  6. Step 6: Final answer
    x = 504,595.05

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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.