Home / 525,069-787,644.90-258,684.18

Finding the Fourth Proportional to 525,069, 787,644.90 and 258,684.18

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Solution

The fourth proportional to 525,069, 787,644.90 and 258,684.18 is: 388,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,069 : 787,644.90 = 258,684.18 : x
  2. Step 2: Convert to fraction form
    525,069/787,644.90 = 258,684.18/x
  3. Step 3: Cross multiply
    525,069x = 787,644.90 × 258,684.18
  4. Step 4: Simplify right side
    525,069x = 203,751,275,087.68
  5. Step 5: Solve for x
    x = 203,751,275,087.68/525,069
  6. Step 6: Final answer
    x = 388,046.67

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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.