Home / 1,099,409.32-1,650,178.14-531,190.12

Finding the Fourth Proportional to 1,099,409.32, 1,650,178.14 and 531,190.12

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Solution

The fourth proportional to 1,099,409.32, 1,650,178.14 and 531,190.12 is: 797,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,409.32 : 1,650,178.14 = 531,190.12 : x
  2. Step 2: Convert to fraction form
    1,099,409.32/1,650,178.14 = 531,190.12/x
  3. Step 3: Cross multiply
    1,099,409.32x = 1,650,178.14 × 531,190.12
  4. Step 4: Simplify right side
    1,099,409.32x = 876,558,324,207.98
  5. Step 5: Solve for x
    x = 876,558,324,207.98/1,099,409.32
  6. Step 6: Final answer
    x = 797,299.34

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Double scale
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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.