Home / 405,693.24-560,429.33-369,333.96

Finding the Fourth Proportional to 405,693.24, 560,429.33 and 369,333.96

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Solution

The fourth proportional to 405,693.24, 560,429.33 and 369,333.96 is: 510,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,693.24 : 560,429.33 = 369,333.96 : x
  2. Step 2: Convert to fraction form
    405,693.24/560,429.33 = 369,333.96/x
  3. Step 3: Cross multiply
    405,693.24x = 560,429.33 × 369,333.96
  4. Step 4: Simplify right side
    405,693.24x = 206,985,583,749.05
  5. Step 5: Solve for x
    x = 206,985,583,749.05/405,693.24
  6. Step 6: Final answer
    x = 510,202.20

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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.