Home / 672,052.33-1,008,106.85-312,560.56

Finding the Fourth Proportional to 672,052.33, 1,008,106.85 and 312,560.56

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Solution

The fourth proportional to 672,052.33, 1,008,106.85 and 312,560.56 is: 468,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,052.33 : 1,008,106.85 = 312,560.56 : x
  2. Step 2: Convert to fraction form
    672,052.33/1,008,106.85 = 312,560.56/x
  3. Step 3: Cross multiply
    672,052.33x = 1,008,106.85 × 312,560.56
  4. Step 4: Simplify right side
    672,052.33x = 315,094,441,575.84
  5. Step 5: Solve for x
    x = 315,094,441,575.84/672,052.33
  6. Step 6: Final answer
    x = 468,854.03

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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.