Home / 405,425.14-559,502.45-269,224.23

Finding the Fourth Proportional to 405,425.14, 559,502.45 and 269,224.23

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Solution

The fourth proportional to 405,425.14, 559,502.45 and 269,224.23 is: 371,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,425.14 : 559,502.45 = 269,224.23 : x
  2. Step 2: Convert to fraction form
    405,425.14/559,502.45 = 269,224.23/x
  3. Step 3: Cross multiply
    405,425.14x = 559,502.45 × 269,224.23
  4. Step 4: Simplify right side
    405,425.14x = 150,631,616,284.36
  5. Step 5: Solve for x
    x = 150,631,616,284.36/405,425.14
  6. Step 6: Final answer
    x = 371,539.90

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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.