Home / 1,389,236.02-2,082,656.25-536,905.75

Finding the Fourth Proportional to 1,389,236.02, 2,082,656.25 and 536,905.75

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Solution

The fourth proportional to 1,389,236.02, 2,082,656.25 and 536,905.75 is: 804,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,236.02 : 2,082,656.25 = 536,905.75 : x
  2. Step 2: Convert to fraction form
    1,389,236.02/2,082,656.25 = 536,905.75/x
  3. Step 3: Cross multiply
    1,389,236.02x = 2,082,656.25 × 536,905.75
  4. Step 4: Simplify right side
    1,389,236.02x = 1,118,190,110,691.80
  5. Step 5: Solve for x
    x = 1,118,190,110,691.80/1,389,236.02
  6. Step 6: Final answer
    x = 804,895.71

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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.