Home / 931,926.88-1,396,117.60-481,973.76

Finding the Fourth Proportional to 931,926.88, 1,396,117.60 and 481,973.76

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Solution

The fourth proportional to 931,926.88, 1,396,117.60 and 481,973.76 is: 722,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,926.88 : 1,396,117.60 = 481,973.76 : x
  2. Step 2: Convert to fraction form
    931,926.88/1,396,117.60 = 481,973.76/x
  3. Step 3: Cross multiply
    931,926.88x = 1,396,117.60 × 481,973.76
  4. Step 4: Simplify right side
    931,926.88x = 672,892,049,074.18
  5. Step 5: Solve for x
    x = 672,892,049,074.18/931,926.88
  6. Step 6: Final answer
    x = 722,043.83

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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.