Home / 879,584.22-1,213,956.47-557,324.30

Finding the Fourth Proportional to 879,584.22, 1,213,956.47 and 557,324.30

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Solution

The fourth proportional to 879,584.22, 1,213,956.47 and 557,324.30 is: 769,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,584.22 : 1,213,956.47 = 557,324.30 : x
  2. Step 2: Convert to fraction form
    879,584.22/1,213,956.47 = 557,324.30/x
  3. Step 3: Cross multiply
    879,584.22x = 1,213,956.47 × 557,324.30
  4. Step 4: Simplify right side
    879,584.22x = 676,567,431,016.82
  5. Step 5: Solve for x
    x = 676,567,431,016.82/879,584.22
  6. Step 6: Final answer
    x = 769,190.05

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1.5x scale

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.