Home / 935,611.67-1,291,145.03-505,891.69

Finding the Fourth Proportional to 935,611.67, 1,291,145.03 and 505,891.69

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Solution

The fourth proportional to 935,611.67, 1,291,145.03 and 505,891.69 is: 698,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,611.67 : 1,291,145.03 = 505,891.69 : x
  2. Step 2: Convert to fraction form
    935,611.67/1,291,145.03 = 505,891.69/x
  3. Step 3: Cross multiply
    935,611.67x = 1,291,145.03 × 505,891.69
  4. Step 4: Simplify right side
    935,611.67x = 653,179,538,873.92
  5. Step 5: Solve for x
    x = 653,179,538,873.92/935,611.67
  6. Step 6: Final answer
    x = 698,131.03

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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.