Home / 672,029.60-1,008,130.80-335,242.40

Finding the Fourth Proportional to 672,029.60, 1,008,130.80 and 335,242.40

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Solution

The fourth proportional to 672,029.60, 1,008,130.80 and 335,242.40 is: 502,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,029.60 : 1,008,130.80 = 335,242.40 : x
  2. Step 2: Convert to fraction form
    672,029.60/1,008,130.80 = 335,242.40/x
  3. Step 3: Cross multiply
    672,029.60x = 1,008,130.80 × 335,242.40
  4. Step 4: Simplify right side
    672,029.60x = 337,968,188,905.92
  5. Step 5: Solve for x
    x = 337,968,188,905.92/672,029.60
  6. Step 6: Final answer
    x = 502,906.70

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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.