Home / 1,147,809.55-1,584,150.39-664,690.31

Finding the Fourth Proportional to 1,147,809.55, 1,584,150.39 and 664,690.31

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Solution

The fourth proportional to 1,147,809.55, 1,584,150.39 and 664,690.31 is: 917,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,809.55 : 1,584,150.39 = 664,690.31 : x
  2. Step 2: Convert to fraction form
    1,147,809.55/1,584,150.39 = 664,690.31/x
  3. Step 3: Cross multiply
    1,147,809.55x = 1,584,150.39 × 664,690.31
  4. Step 4: Simplify right side
    1,147,809.55x = 1,052,969,413,815.72
  5. Step 5: Solve for x
    x = 1,052,969,413,815.72/1,147,809.55
  6. Step 6: Final answer
    x = 917,372.93

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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.