Home / 528,020.20-791,835.90-173,045.80

Finding the Fourth Proportional to 528,020.20, 791,835.90 and 173,045.80

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Solution

The fourth proportional to 528,020.20, 791,835.90 and 173,045.80 is: 259,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,020.20 : 791,835.90 = 173,045.80 : x
  2. Step 2: Convert to fraction form
    528,020.20/791,835.90 = 173,045.80/x
  3. Step 3: Cross multiply
    528,020.20x = 791,835.90 × 173,045.80
  4. Step 4: Simplify right side
    528,020.20x = 137,023,876,784.22
  5. Step 5: Solve for x
    x = 137,023,876,784.22/528,020.20
  6. Step 6: Final answer
    x = 259,504.99

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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.