Home / 624,380.17-861,369.67-366,126

Finding the Fourth Proportional to 624,380.17, 861,369.67 and 366,126

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Solution

The fourth proportional to 624,380.17, 861,369.67 and 366,126 is: 505,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,380.17 : 861,369.67 = 366,126 : x
  2. Step 2: Convert to fraction form
    624,380.17/861,369.67 = 366,126/x
  3. Step 3: Cross multiply
    624,380.17x = 861,369.67 × 366,126
  4. Step 4: Simplify right side
    624,380.17x = 315,369,830,883.11
  5. Step 5: Solve for x
    x = 315,369,830,883.11/624,380.17
  6. Step 6: Final answer
    x = 505,092.65

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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.