Home / 862,740.55-1,190,635.22-475,555.09

Finding the Fourth Proportional to 862,740.55, 1,190,635.22 and 475,555.09

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Solution

The fourth proportional to 862,740.55, 1,190,635.22 and 475,555.09 is: 656,295.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,740.55 : 1,190,635.22 = 475,555.09 : x
  2. Step 2: Convert to fraction form
    862,740.55/1,190,635.22 = 475,555.09/x
  3. Step 3: Cross multiply
    862,740.55x = 1,190,635.22 × 475,555.09
  4. Step 4: Simplify right side
    862,740.55x = 566,212,640,098.12
  5. Step 5: Solve for x
    x = 566,212,640,098.12/862,740.55
  6. Step 6: Final answer
    x = 656,295.39

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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.