Home / 874,546.40-1,311,819.60-500,306.96

Finding the Fourth Proportional to 874,546.40, 1,311,819.60 and 500,306.96

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Solution

The fourth proportional to 874,546.40, 1,311,819.60 and 500,306.96 is: 750,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,546.40 : 1,311,819.60 = 500,306.96 : x
  2. Step 2: Convert to fraction form
    874,546.40/1,311,819.60 = 500,306.96/x
  3. Step 3: Cross multiply
    874,546.40x = 1,311,819.60 × 500,306.96
  4. Step 4: Simplify right side
    874,546.40x = 656,312,476,144.42
  5. Step 5: Solve for x
    x = 656,312,476,144.42/874,546.40
  6. Step 6: Final answer
    x = 750,460.44

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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.