Home / 856,167.50-1,181,372.32-512,145.59

Finding the Fourth Proportional to 856,167.50, 1,181,372.32 and 512,145.59

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Solution

The fourth proportional to 856,167.50, 1,181,372.32 and 512,145.59 is: 706,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,167.50 : 1,181,372.32 = 512,145.59 : x
  2. Step 2: Convert to fraction form
    856,167.50/1,181,372.32 = 512,145.59/x
  3. Step 3: Cross multiply
    856,167.50x = 1,181,372.32 × 512,145.59
  4. Step 4: Simplify right side
    856,167.50x = 605,034,615,737.66
  5. Step 5: Solve for x
    x = 605,034,615,737.66/856,167.50
  6. Step 6: Final answer
    x = 706,677.86

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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.