Home / 810,207.32-1,215,570.62-567,301.40

Finding the Fourth Proportional to 810,207.32, 1,215,570.62 and 567,301.40

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Solution

The fourth proportional to 810,207.32, 1,215,570.62 and 567,301.40 is: 851,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,207.32 : 1,215,570.62 = 567,301.40 : x
  2. Step 2: Convert to fraction form
    810,207.32/1,215,570.62 = 567,301.40/x
  3. Step 3: Cross multiply
    810,207.32x = 1,215,570.62 × 567,301.40
  4. Step 4: Simplify right side
    810,207.32x = 689,594,914,524.87
  5. Step 5: Solve for x
    x = 689,594,914,524.87/810,207.32
  6. Step 6: Final answer
    x = 851,133.90

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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.