Home / 930,797.20-1,284,530.56-522,971.60

Finding the Fourth Proportional to 930,797.20, 1,284,530.56 and 522,971.60

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Solution

The fourth proportional to 930,797.20, 1,284,530.56 and 522,971.60 is: 721,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,797.20 : 1,284,530.56 = 522,971.60 : x
  2. Step 2: Convert to fraction form
    930,797.20/1,284,530.56 = 522,971.60/x
  3. Step 3: Cross multiply
    930,797.20x = 1,284,530.56 × 522,971.60
  4. Step 4: Simplify right side
    930,797.20x = 671,773,002,212.10
  5. Step 5: Solve for x
    x = 671,773,002,212.10/930,797.20
  6. Step 6: Final answer
    x = 721,717.90

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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.