Home / 1,152,121.96-1,728,181-477,753.22

Finding the Fourth Proportional to 1,152,121.96, 1,728,181 and 477,753.22

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Solution

The fourth proportional to 1,152,121.96, 1,728,181 and 477,753.22 is: 716,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,121.96 : 1,728,181 = 477,753.22 : x
  2. Step 2: Convert to fraction form
    1,152,121.96/1,728,181 = 477,753.22/x
  3. Step 3: Cross multiply
    1,152,121.96x = 1,728,181 × 477,753.22
  4. Step 4: Simplify right side
    1,152,121.96x = 825,644,037,492.82
  5. Step 5: Solve for x
    x = 825,644,037,492.82/1,152,121.96
  6. Step 6: Final answer
    x = 716,629.03

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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.