Home / 671,559.12-1,007,448.12-198,292.32

Finding the Fourth Proportional to 671,559.12, 1,007,448.12 and 198,292.32

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Solution

The fourth proportional to 671,559.12, 1,007,448.12 and 198,292.32 is: 297,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,559.12 : 1,007,448.12 = 198,292.32 : x
  2. Step 2: Convert to fraction form
    671,559.12/1,007,448.12 = 198,292.32/x
  3. Step 3: Cross multiply
    671,559.12x = 1,007,448.12 × 198,292.32
  4. Step 4: Simplify right side
    671,559.12x = 199,769,224,994.44
  5. Step 5: Solve for x
    x = 199,769,224,994.44/671,559.12
  6. Step 6: Final answer
    x = 297,470.79

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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.