Home / 713,120.44-1,069,672.40-173,379.78

Finding the Fourth Proportional to 713,120.44, 1,069,672.40 and 173,379.78

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Solution

The fourth proportional to 713,120.44, 1,069,672.40 and 173,379.78 is: 260,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,120.44 : 1,069,672.40 = 173,379.78 : x
  2. Step 2: Convert to fraction form
    713,120.44/1,069,672.40 = 173,379.78/x
  3. Step 3: Cross multiply
    713,120.44x = 1,069,672.40 × 173,379.78
  4. Step 4: Simplify right side
    713,120.44x = 185,459,565,384.07
  5. Step 5: Solve for x
    x = 185,459,565,384.07/713,120.44
  6. Step 6: Final answer
    x = 260,067.66

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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.