Home / 672,023.60-1,008,121.80-335,236.40

Finding the Fourth Proportional to 672,023.60, 1,008,121.80 and 335,236.40

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Solution

The fourth proportional to 672,023.60, 1,008,121.80 and 335,236.40 is: 502,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,023.60 : 1,008,121.80 = 335,236.40 : x
  2. Step 2: Convert to fraction form
    672,023.60/1,008,121.80 = 335,236.40/x
  3. Step 3: Cross multiply
    672,023.60x = 1,008,121.80 × 335,236.40
  4. Step 4: Simplify right side
    672,023.60x = 337,959,122,993.52
  5. Step 5: Solve for x
    x = 337,959,122,993.52/672,023.60
  6. Step 6: Final answer
    x = 502,897.70

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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.