Home / 1,114,785.32-1,538,140.20-655,919.92

Finding the Fourth Proportional to 1,114,785.32, 1,538,140.20 and 655,919.92

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Solution

The fourth proportional to 1,114,785.32, 1,538,140.20 and 655,919.92 is: 905,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,785.32 : 1,538,140.20 = 655,919.92 : x
  2. Step 2: Convert to fraction form
    1,114,785.32/1,538,140.20 = 655,919.92/x
  3. Step 3: Cross multiply
    1,114,785.32x = 1,538,140.20 × 655,919.92
  4. Step 4: Simplify right side
    1,114,785.32x = 1,008,896,796,932.78
  5. Step 5: Solve for x
    x = 1,008,896,796,932.78/1,114,785.32
  6. Step 6: Final answer
    x = 905,014.43

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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.