Home / 867,544.56-1,197,211.20-485,571.12

Finding the Fourth Proportional to 867,544.56, 1,197,211.20 and 485,571.12

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Solution

The fourth proportional to 867,544.56, 1,197,211.20 and 485,571.12 is: 670,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,544.56 : 1,197,211.20 = 485,571.12 : x
  2. Step 2: Convert to fraction form
    867,544.56/1,197,211.20 = 485,571.12/x
  3. Step 3: Cross multiply
    867,544.56x = 1,197,211.20 × 485,571.12
  4. Step 4: Simplify right side
    867,544.56x = 581,331,183,260.54
  5. Step 5: Solve for x
    x = 581,331,183,260.54/867,544.56
  6. Step 6: Final answer
    x = 670,087.98

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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.