Home / 840,861.08-1,161,049.45-676,997.06

Finding the Fourth Proportional to 840,861.08, 1,161,049.45 and 676,997.06

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Solution

The fourth proportional to 840,861.08, 1,161,049.45 and 676,997.06 is: 934,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,861.08 : 1,161,049.45 = 676,997.06 : x
  2. Step 2: Convert to fraction form
    840,861.08/1,161,049.45 = 676,997.06/x
  3. Step 3: Cross multiply
    840,861.08x = 1,161,049.45 × 676,997.06
  4. Step 4: Simplify right side
    840,861.08x = 786,027,064,164.62
  5. Step 5: Solve for x
    x = 786,027,064,164.62/840,861.08
  6. Step 6: Final answer
    x = 934,788.26

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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.