Home / 1,716,529.86-2,576,489.72-1,288,577.70

Finding the Fourth Proportional to 1,716,529.86, 2,576,489.72 and 1,288,577.70

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Solution

The fourth proportional to 1,716,529.86, 2,576,489.72 and 1,288,577.70 is: 1,934,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,529.86 : 2,576,489.72 = 1,288,577.70 : x
  2. Step 2: Convert to fraction form
    1,716,529.86/2,576,489.72 = 1,288,577.70/x
  3. Step 3: Cross multiply
    1,716,529.86x = 2,576,489.72 × 1,288,577.70
  4. Step 4: Simplify right side
    1,716,529.86x = 3,320,007,191,028.36
  5. Step 5: Solve for x
    x = 3,320,007,191,028.36/1,716,529.86
  6. Step 6: Final answer
    x = 1,934,138.91

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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.