Home / 525,982.40-788,455.20-259,524.80

Finding the Fourth Proportional to 525,982.40, 788,455.20 and 259,524.80

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Solution

The fourth proportional to 525,982.40, 788,455.20 and 259,524.80 is: 389,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,982.40 : 788,455.20 = 259,524.80 : x
  2. Step 2: Convert to fraction form
    525,982.40/788,455.20 = 259,524.80/x
  3. Step 3: Cross multiply
    525,982.40x = 788,455.20 × 259,524.80
  4. Step 4: Simplify right side
    525,982.40x = 204,623,678,088.96
  5. Step 5: Solve for x
    x = 204,623,678,088.96/525,982.40
  6. Step 6: Final answer
    x = 389,031.42

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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.