Home / 692,837.48-1,039,584.36-479,933.12

Finding the Fourth Proportional to 692,837.48, 1,039,584.36 and 479,933.12

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Solution

The fourth proportional to 692,837.48, 1,039,584.36 and 479,933.12 is: 720,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,837.48 : 1,039,584.36 = 479,933.12 : x
  2. Step 2: Convert to fraction form
    692,837.48/1,039,584.36 = 479,933.12/x
  3. Step 3: Cross multiply
    692,837.48x = 1,039,584.36 × 479,933.12
  4. Step 4: Simplify right side
    692,837.48x = 498,930,965,398.00
  5. Step 5: Solve for x
    x = 498,930,965,398.00/692,837.48
  6. Step 6: Final answer
    x = 720,126.98

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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.