Home / 570,936.90-856,733.40-215,986.80

Finding the Fourth Proportional to 570,936.90, 856,733.40 and 215,986.80

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Solution

The fourth proportional to 570,936.90, 856,733.40 and 215,986.80 is: 324,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,936.90 : 856,733.40 = 215,986.80 : x
  2. Step 2: Convert to fraction form
    570,936.90/856,733.40 = 215,986.80/x
  3. Step 3: Cross multiply
    570,936.90x = 856,733.40 × 215,986.80
  4. Step 4: Simplify right side
    570,936.90x = 185,043,105,519.12
  5. Step 5: Solve for x
    x = 185,043,105,519.12/570,936.90
  6. Step 6: Final answer
    x = 324,104.30

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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.