Home / 894,172.66-1,233,854.85-512,176.66

Finding the Fourth Proportional to 894,172.66, 1,233,854.85 and 512,176.66

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Solution

The fourth proportional to 894,172.66, 1,233,854.85 and 512,176.66 is: 706,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,172.66 : 1,233,854.85 = 512,176.66 : x
  2. Step 2: Convert to fraction form
    894,172.66/1,233,854.85 = 512,176.66/x
  3. Step 3: Cross multiply
    894,172.66x = 1,233,854.85 × 512,176.66
  4. Step 4: Simplify right side
    894,172.66x = 631,951,655,997.80
  5. Step 5: Solve for x
    x = 631,951,655,997.80/894,172.66
  6. Step 6: Final answer
    x = 706,744.55

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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.