Home / 516,827.32-775,240.98-161,869.12

Finding the Fourth Proportional to 516,827.32, 775,240.98 and 161,869.12

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Solution

The fourth proportional to 516,827.32, 775,240.98 and 161,869.12 is: 242,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,827.32 : 775,240.98 = 161,869.12 : x
  2. Step 2: Convert to fraction form
    516,827.32/775,240.98 = 161,869.12/x
  3. Step 3: Cross multiply
    516,827.32x = 775,240.98 × 161,869.12
  4. Step 4: Simplify right side
    516,827.32x = 125,487,571,344.33
  5. Step 5: Solve for x
    x = 125,487,571,344.33/516,827.32
  6. Step 6: Final answer
    x = 242,803.67

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.