Home / 3,505,318.92-5,257,771.02-980,918.28

Finding the Fourth Proportional to 3,505,318.92, 5,257,771.02 and 980,918.28

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Solution

The fourth proportional to 3,505,318.92, 5,257,771.02 and 980,918.28 is: 1,471,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,318.92 : 5,257,771.02 = 980,918.28 : x
  2. Step 2: Convert to fraction form
    3,505,318.92/5,257,771.02 = 980,918.28/x
  3. Step 3: Cross multiply
    3,505,318.92x = 5,257,771.02 × 980,918.28
  4. Step 4: Simplify right side
    3,505,318.92x = 5,157,443,705,572.25
  5. Step 5: Solve for x
    x = 5,157,443,705,572.25/3,505,318.92
  6. Step 6: Final answer
    x = 1,471,319.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.