Home / 858,793.65-1,288,190.48-620,848.05

Finding the Fourth Proportional to 858,793.65, 1,288,190.48 and 620,848.05

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Solution

The fourth proportional to 858,793.65, 1,288,190.48 and 620,848.05 is: 931,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,793.65 : 1,288,190.48 = 620,848.05 : x
  2. Step 2: Convert to fraction form
    858,793.65/1,288,190.48 = 620,848.05/x
  3. Step 3: Cross multiply
    858,793.65x = 1,288,190.48 × 620,848.05
  4. Step 4: Simplify right side
    858,793.65x = 799,770,544,432.32
  5. Step 5: Solve for x
    x = 799,770,544,432.32/858,793.65
  6. Step 6: Final answer
    x = 931,272.08

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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.