Home / 534,485.87-801,766.23-214,637.72

Finding the Fourth Proportional to 534,485.87, 801,766.23 and 214,637.72

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Solution

The fourth proportional to 534,485.87, 801,766.23 and 214,637.72 is: 321,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,485.87 : 801,766.23 = 214,637.72 : x
  2. Step 2: Convert to fraction form
    534,485.87/801,766.23 = 214,637.72/x
  3. Step 3: Cross multiply
    534,485.87x = 801,766.23 × 214,637.72
  4. Step 4: Simplify right side
    534,485.87x = 172,089,275,580.20
  5. Step 5: Solve for x
    x = 172,089,275,580.20/534,485.87
  6. Step 6: Final answer
    x = 321,971.61

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1.5x scale

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.