Home / 712,001.37-1,067,835.93-206,426.66

Finding the Fourth Proportional to 712,001.37, 1,067,835.93 and 206,426.66

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Solution

The fourth proportional to 712,001.37, 1,067,835.93 and 206,426.66 is: 309,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,001.37 : 1,067,835.93 = 206,426.66 : x
  2. Step 2: Convert to fraction form
    712,001.37/1,067,835.93 = 206,426.66/x
  3. Step 3: Cross multiply
    712,001.37x = 1,067,835.93 × 206,426.66
  4. Step 4: Simplify right side
    712,001.37x = 220,429,799,118.71
  5. Step 5: Solve for x
    x = 220,429,799,118.71/712,001.37
  6. Step 6: Final answer
    x = 309,591.82

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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.