Home / 786,244.05-1,084,675.32-499,610.43

Finding the Fourth Proportional to 786,244.05, 1,084,675.32 and 499,610.43

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Solution

The fourth proportional to 786,244.05, 1,084,675.32 and 499,610.43 is: 689,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,244.05 : 1,084,675.32 = 499,610.43 : x
  2. Step 2: Convert to fraction form
    786,244.05/1,084,675.32 = 499,610.43/x
  3. Step 3: Cross multiply
    786,244.05x = 1,084,675.32 × 499,610.43
  4. Step 4: Simplify right side
    786,244.05x = 541,915,103,035.59
  5. Step 5: Solve for x
    x = 541,915,103,035.59/786,244.05
  6. Step 6: Final answer
    x = 689,245.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.