Home / 405,623.88-559,933.31-252,737.61

Finding the Fourth Proportional to 405,623.88, 559,933.31 and 252,737.61

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Solution

The fourth proportional to 405,623.88, 559,933.31 and 252,737.61 is: 348,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,623.88 : 559,933.31 = 252,737.61 : x
  2. Step 2: Convert to fraction form
    405,623.88/559,933.31 = 252,737.61/x
  3. Step 3: Cross multiply
    405,623.88x = 559,933.31 × 252,737.61
  4. Step 4: Simplify right side
    405,623.88x = 141,516,207,002.67
  5. Step 5: Solve for x
    x = 141,516,207,002.67/405,623.88
  6. Step 6: Final answer
    x = 348,885.29

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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.