Home / 709,850.14-1,063,077.70-409,419.94

Finding the Fourth Proportional to 709,850.14, 1,063,077.70 and 409,419.94

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Solution

The fourth proportional to 709,850.14, 1,063,077.70 and 409,419.94 is: 613,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,850.14 : 1,063,077.70 = 409,419.94 : x
  2. Step 2: Convert to fraction form
    709,850.14/1,063,077.70 = 409,419.94/x
  3. Step 3: Cross multiply
    709,850.14x = 1,063,077.70 × 409,419.94
  4. Step 4: Simplify right side
    709,850.14x = 435,245,208,149.34
  5. Step 5: Solve for x
    x = 435,245,208,149.34/709,850.14
  6. Step 6: Final answer
    x = 613,150.84

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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.