Home / 892,612.40-1,231,349.64-569,983.28

Finding the Fourth Proportional to 892,612.40, 1,231,349.64 and 569,983.28

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Solution

The fourth proportional to 892,612.40, 1,231,349.64 and 569,983.28 is: 786,286.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,612.40 : 1,231,349.64 = 569,983.28 : x
  2. Step 2: Convert to fraction form
    892,612.40/1,231,349.64 = 569,983.28/x
  3. Step 3: Cross multiply
    892,612.40x = 1,231,349.64 × 569,983.28
  4. Step 4: Simplify right side
    892,612.40x = 701,848,706,634.02
  5. Step 5: Solve for x
    x = 701,848,706,634.02/892,612.40
  6. Step 6: Final answer
    x = 786,286.08

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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.