Home / 892,608.15-1,231,343.77-569,979.03

Finding the Fourth Proportional to 892,608.15, 1,231,343.77 and 569,979.03

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Solution

The fourth proportional to 892,608.15, 1,231,343.77 and 569,979.03 is: 786,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,608.15 : 1,231,343.77 = 569,979.03 : x
  2. Step 2: Convert to fraction form
    892,608.15/1,231,343.77 = 569,979.03/x
  3. Step 3: Cross multiply
    892,608.15x = 1,231,343.77 × 569,979.03
  4. Step 4: Simplify right side
    892,608.15x = 701,840,127,621.14
  5. Step 5: Solve for x
    x = 701,840,127,621.14/892,608.15
  6. Step 6: Final answer
    x = 786,280.21

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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.