Home / 1,062,415.32-1,465,716.94-653,807.78

Finding the Fourth Proportional to 1,062,415.32, 1,465,716.94 and 653,807.78

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Solution

The fourth proportional to 1,062,415.32, 1,465,716.94 and 653,807.78 is: 901,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,415.32 : 1,465,716.94 = 653,807.78 : x
  2. Step 2: Convert to fraction form
    1,062,415.32/1,465,716.94 = 653,807.78/x
  3. Step 3: Cross multiply
    1,062,415.32x = 1,465,716.94 × 653,807.78
  4. Step 4: Simplify right side
    1,062,415.32x = 958,297,138,649.79
  5. Step 5: Solve for x
    x = 958,297,138,649.79/1,062,415.32
  6. Step 6: Final answer
    x = 901,998.61

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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.