Home / 528,021.20-792,024.60-173,046.80

Finding the Fourth Proportional to 528,021.20, 792,024.60 and 173,046.80

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Solution

The fourth proportional to 528,021.20, 792,024.60 and 173,046.80 is: 259,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,021.20 : 792,024.60 = 173,046.80 : x
  2. Step 2: Convert to fraction form
    528,021.20/792,024.60 = 173,046.80/x
  3. Step 3: Cross multiply
    528,021.20x = 792,024.60 × 173,046.80
  4. Step 4: Simplify right side
    528,021.20x = 137,057,322,551.28
  5. Step 5: Solve for x
    x = 137,057,322,551.28/528,021.20
  6. Step 6: Final answer
    x = 259,567.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.