Home / 405,849.10-560,063.12-222,086.93

Finding the Fourth Proportional to 405,849.10, 560,063.12 and 222,086.93

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Solution

The fourth proportional to 405,849.10, 560,063.12 and 222,086.93 is: 306,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,849.10 : 560,063.12 = 222,086.93 : x
  2. Step 2: Convert to fraction form
    405,849.10/560,063.12 = 222,086.93/x
  3. Step 3: Cross multiply
    405,849.10x = 560,063.12 × 222,086.93
  4. Step 4: Simplify right side
    405,849.10x = 124,382,700,909.56
  5. Step 5: Solve for x
    x = 124,382,700,909.56/405,849.10
  6. Step 6: Final answer
    x = 306,475.24

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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.