Home / 528,582.24-792,879.84-154,612.80

Finding the Fourth Proportional to 528,582.24, 792,879.84 and 154,612.80

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Solution

The fourth proportional to 528,582.24, 792,879.84 and 154,612.80 is: 231,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,582.24 : 792,879.84 = 154,612.80 : x
  2. Step 2: Convert to fraction form
    528,582.24/792,879.84 = 154,612.80/x
  3. Step 3: Cross multiply
    528,582.24x = 792,879.84 × 154,612.80
  4. Step 4: Simplify right side
    528,582.24x = 122,589,372,125.95
  5. Step 5: Solve for x
    x = 122,589,372,125.95/528,582.24
  6. Step 6: Final answer
    x = 231,921.10

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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.