Home / 1,114,783.32-1,538,137.44-655,917.92

Finding the Fourth Proportional to 1,114,783.32, 1,538,137.44 and 655,917.92

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Solution

The fourth proportional to 1,114,783.32, 1,538,137.44 and 655,917.92 is: 905,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,783.32 : 1,538,137.44 = 655,917.92 : x
  2. Step 2: Convert to fraction form
    1,114,783.32/1,538,137.44 = 655,917.92/x
  3. Step 3: Cross multiply
    1,114,783.32x = 1,538,137.44 × 655,917.92
  4. Step 4: Simplify right side
    1,114,783.32x = 1,008,891,910,318.92
  5. Step 5: Solve for x
    x = 1,008,891,910,318.92/1,114,783.32
  6. Step 6: Final answer
    x = 905,011.67

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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.