Home / 919,572.48-1,268,997.84-517,164.48

Finding the Fourth Proportional to 919,572.48, 1,268,997.84 and 517,164.48

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Solution

The fourth proportional to 919,572.48, 1,268,997.84 and 517,164.48 is: 713,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,572.48 : 1,268,997.84 = 517,164.48 : x
  2. Step 2: Convert to fraction form
    919,572.48/1,268,997.84 = 517,164.48/x
  3. Step 3: Cross multiply
    919,572.48x = 1,268,997.84 × 517,164.48
  4. Step 4: Simplify right side
    919,572.48x = 656,280,608,044.72
  5. Step 5: Solve for x
    x = 656,280,608,044.72/919,572.48
  6. Step 6: Final answer
    x = 713,680.13

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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.