Home / 860,271.66-1,187,241.39-516,120.54

Finding the Fourth Proportional to 860,271.66, 1,187,241.39 and 516,120.54

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Solution

The fourth proportional to 860,271.66, 1,187,241.39 and 516,120.54 is: 712,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,271.66 : 1,187,241.39 = 516,120.54 : x
  2. Step 2: Convert to fraction form
    860,271.66/1,187,241.39 = 516,120.54/x
  3. Step 3: Cross multiply
    860,271.66x = 1,187,241.39 × 516,120.54
  4. Step 4: Simplify right side
    860,271.66x = 612,759,667,317.15
  5. Step 5: Solve for x
    x = 612,759,667,317.15/860,271.66
  6. Step 6: Final answer
    x = 712,286.24

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Double scale
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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.