Home / 528,007.20-791,816.40-173,032.80

Finding the Fourth Proportional to 528,007.20, 791,816.40 and 173,032.80

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Solution

The fourth proportional to 528,007.20, 791,816.40 and 173,032.80 is: 259,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,007.20 : 791,816.40 = 173,032.80 : x
  2. Step 2: Convert to fraction form
    528,007.20/791,816.40 = 173,032.80/x
  3. Step 3: Cross multiply
    528,007.20x = 791,816.40 × 173,032.80
  4. Step 4: Simplify right side
    528,007.20x = 137,010,208,777.92
  5. Step 5: Solve for x
    x = 137,010,208,777.92/528,007.20
  6. Step 6: Final answer
    x = 259,485.49

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Similar ratio
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1.5x scale

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.