Home / 639,114.03-882,296.93-397,474.45

Finding the Fourth Proportional to 639,114.03, 882,296.93 and 397,474.45

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Solution

The fourth proportional to 639,114.03, 882,296.93 and 397,474.45 is: 548,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,114.03 : 882,296.93 = 397,474.45 : x
  2. Step 2: Convert to fraction form
    639,114.03/882,296.93 = 397,474.45/x
  3. Step 3: Cross multiply
    639,114.03x = 882,296.93 × 397,474.45
  4. Step 4: Simplify right side
    639,114.03x = 350,690,485,776.38
  5. Step 5: Solve for x
    x = 350,690,485,776.38/639,114.03
  6. Step 6: Final answer
    x = 548,713.48

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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.