Home / 672,051.33-1,008,105.35-312,559.56

Finding the Fourth Proportional to 672,051.33, 1,008,105.35 and 312,559.56

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Solution

The fourth proportional to 672,051.33, 1,008,105.35 and 312,559.56 is: 468,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,051.33 : 1,008,105.35 = 312,559.56 : x
  2. Step 2: Convert to fraction form
    672,051.33/1,008,105.35 = 312,559.56/x
  3. Step 3: Cross multiply
    672,051.33x = 1,008,105.35 × 312,559.56
  4. Step 4: Simplify right side
    672,051.33x = 315,092,963,066.85
  5. Step 5: Solve for x
    x = 315,092,963,066.85/672,051.33
  6. Step 6: Final answer
    x = 468,852.53

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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.