Home / 1,062,170.76-1,593,992.02-422,409

Finding the Fourth Proportional to 1,062,170.76, 1,593,992.02 and 422,409

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Solution

The fourth proportional to 1,062,170.76, 1,593,992.02 and 422,409 is: 633,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,170.76 : 1,593,992.02 = 422,409 : x
  2. Step 2: Convert to fraction form
    1,062,170.76/1,593,992.02 = 422,409/x
  3. Step 3: Cross multiply
    1,062,170.76x = 1,593,992.02 × 422,409
  4. Step 4: Simplify right side
    1,062,170.76x = 673,316,575,176.18
  5. Step 5: Solve for x
    x = 673,316,575,176.18/1,062,170.76
  6. Step 6: Final answer
    x = 633,906.15

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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.