Home / 624,300.83-861,539.13-366,125.15

Finding the Fourth Proportional to 624,300.83, 861,539.13 and 366,125.15

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Solution

The fourth proportional to 624,300.83, 861,539.13 and 366,125.15 is: 505,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,300.83 : 861,539.13 = 366,125.15 : x
  2. Step 2: Convert to fraction form
    624,300.83/861,539.13 = 366,125.15/x
  3. Step 3: Cross multiply
    624,300.83x = 861,539.13 × 366,125.15
  4. Step 4: Simplify right side
    624,300.83x = 315,431,138,894.42
  5. Step 5: Solve for x
    x = 315,431,138,894.42/624,300.83
  6. Step 6: Final answer
    x = 505,255.03

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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.