Home / 859,126.52-1,185,723.96-618,206.60

Finding the Fourth Proportional to 859,126.52, 1,185,723.96 and 618,206.60

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Solution

The fourth proportional to 859,126.52, 1,185,723.96 and 618,206.60 is: 853,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,126.52 : 1,185,723.96 = 618,206.60 : x
  2. Step 2: Convert to fraction form
    859,126.52/1,185,723.96 = 618,206.60/x
  3. Step 3: Cross multiply
    859,126.52x = 1,185,723.96 × 618,206.60
  4. Step 4: Simplify right side
    859,126.52x = 733,022,377,850.14
  5. Step 5: Solve for x
    x = 733,022,377,850.14/859,126.52
  6. Step 6: Final answer
    x = 853,218.19

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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.