Home / 525,619.80-788,705.10-241,396.20

Finding the Fourth Proportional to 525,619.80, 788,705.10 and 241,396.20

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Solution

The fourth proportional to 525,619.80, 788,705.10 and 241,396.20 is: 362,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,619.80 : 788,705.10 = 241,396.20 : x
  2. Step 2: Convert to fraction form
    525,619.80/788,705.10 = 241,396.20/x
  3. Step 3: Cross multiply
    525,619.80x = 788,705.10 × 241,396.20
  4. Step 4: Simplify right side
    525,619.80x = 190,390,414,060.62
  5. Step 5: Solve for x
    x = 190,390,414,060.62/525,619.80
  6. Step 6: Final answer
    x = 362,220.78

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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.