Home / 526,207.59-789,300.45-210,579.75

Finding the Fourth Proportional to 526,207.59, 789,300.45 and 210,579.75

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Solution

The fourth proportional to 526,207.59, 789,300.45 and 210,579.75 is: 315,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,207.59 : 789,300.45 = 210,579.75 : x
  2. Step 2: Convert to fraction form
    526,207.59/789,300.45 = 210,579.75/x
  3. Step 3: Cross multiply
    526,207.59x = 789,300.45 × 210,579.75
  4. Step 4: Simplify right side
    526,207.59x = 166,210,691,435.89
  5. Step 5: Solve for x
    x = 166,210,691,435.89/526,207.59
  6. Step 6: Final answer
    x = 315,865.25

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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.