Home / 709,849.14-1,063,076.21-409,418.94

Finding the Fourth Proportional to 709,849.14, 1,063,076.21 and 409,418.94

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Solution

The fourth proportional to 709,849.14, 1,063,076.21 and 409,418.94 is: 613,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,849.14 : 1,063,076.21 = 409,418.94 : x
  2. Step 2: Convert to fraction form
    709,849.14/1,063,076.21 = 409,418.94/x
  3. Step 3: Cross multiply
    709,849.14x = 1,063,076.21 × 409,418.94
  4. Step 4: Simplify right side
    709,849.14x = 435,243,532,990.32
  5. Step 5: Solve for x
    x = 435,243,532,990.32/709,849.14
  6. Step 6: Final answer
    x = 613,149.34

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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.