Home / 1,173,252-1,619,107.20-636,708

Finding the Fourth Proportional to 1,173,252, 1,619,107.20 and 636,708

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Solution

The fourth proportional to 1,173,252, 1,619,107.20 and 636,708 is: 878,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,252 : 1,619,107.20 = 636,708 : x
  2. Step 2: Convert to fraction form
    1,173,252/1,619,107.20 = 636,708/x
  3. Step 3: Cross multiply
    1,173,252x = 1,619,107.20 × 636,708
  4. Step 4: Simplify right side
    1,173,252x = 1,030,898,507,097.60
  5. Step 5: Solve for x
    x = 1,030,898,507,097.60/1,173,252
  6. Step 6: Final answer
    x = 878,667.59

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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.