Home / 919,984.56-1,268,688.60-597,781.68

Finding the Fourth Proportional to 919,984.56, 1,268,688.60 and 597,781.68

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Solution

The fourth proportional to 919,984.56, 1,268,688.60 and 597,781.68 is: 824,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,984.56 : 1,268,688.60 = 597,781.68 : x
  2. Step 2: Convert to fraction form
    919,984.56/1,268,688.60 = 597,781.68/x
  3. Step 3: Cross multiply
    919,984.56x = 1,268,688.60 × 597,781.68
  4. Step 4: Simplify right side
    919,984.56x = 758,398,802,704.85
  5. Step 5: Solve for x
    x = 758,398,802,704.85/919,984.56
  6. Step 6: Final answer
    x = 824,360.36

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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.