Home / 1,004,146.32-1,385,716.83-545,256.87

Finding the Fourth Proportional to 1,004,146.32, 1,385,716.83 and 545,256.87

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Solution

The fourth proportional to 1,004,146.32, 1,385,716.83 and 545,256.87 is: 752,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,146.32 : 1,385,716.83 = 545,256.87 : x
  2. Step 2: Convert to fraction form
    1,004,146.32/1,385,716.83 = 545,256.87/x
  3. Step 3: Cross multiply
    1,004,146.32x = 1,385,716.83 × 545,256.87
  4. Step 4: Simplify right side
    1,004,146.32x = 755,571,621,432.12
  5. Step 5: Solve for x
    x = 755,571,621,432.12/1,004,146.32
  6. Step 6: Final answer
    x = 752,451.72

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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.