Home / 405,433.98-559,532.61-235,701.18

Finding the Fourth Proportional to 405,433.98, 559,532.61 and 235,701.18

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Solution

The fourth proportional to 405,433.98, 559,532.61 and 235,701.18 is: 325,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,433.98 : 559,532.61 = 235,701.18 : x
  2. Step 2: Convert to fraction form
    405,433.98/559,532.61 = 235,701.18/x
  3. Step 3: Cross multiply
    405,433.98x = 559,532.61 × 235,701.18
  4. Step 4: Simplify right side
    405,433.98x = 131,882,496,425.48
  5. Step 5: Solve for x
    x = 131,882,496,425.48/405,433.98
  6. Step 6: Final answer
    x = 325,287.23

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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.