Home / 1,174,497.60-1,620,920.40-658,339.20

Finding the Fourth Proportional to 1,174,497.60, 1,620,920.40 and 658,339.20

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Solution

The fourth proportional to 1,174,497.60, 1,620,920.40 and 658,339.20 is: 908,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,497.60 : 1,620,920.40 = 658,339.20 : x
  2. Step 2: Convert to fraction form
    1,174,497.60/1,620,920.40 = 658,339.20/x
  3. Step 3: Cross multiply
    1,174,497.60x = 1,620,920.40 × 658,339.20
  4. Step 4: Simplify right side
    1,174,497.60x = 1,067,115,439,399.68
  5. Step 5: Solve for x
    x = 1,067,115,439,399.68/1,174,497.60
  6. Step 6: Final answer
    x = 908,571.83

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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.