Home / 413,968.80-620,833-161,192.80

Finding the Fourth Proportional to 413,968.80, 620,833 and 161,192.80

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Solution

The fourth proportional to 413,968.80, 620,833 and 161,192.80 is: 241,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,968.80 : 620,833 = 161,192.80 : x
  2. Step 2: Convert to fraction form
    413,968.80/620,833 = 161,192.80/x
  3. Step 3: Cross multiply
    413,968.80x = 620,833 × 161,192.80
  4. Step 4: Simplify right side
    413,968.80x = 100,073,809,602.40
  5. Step 5: Solve for x
    x = 100,073,809,602.40/413,968.80
  6. Step 6: Final answer
    x = 241,742.40

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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.