Home / 887,028.40-1,330,542.60-437,818.60

Finding the Fourth Proportional to 887,028.40, 1,330,542.60 and 437,818.60

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Solution

The fourth proportional to 887,028.40, 1,330,542.60 and 437,818.60 is: 656,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,028.40 : 1,330,542.60 = 437,818.60 : x
  2. Step 2: Convert to fraction form
    887,028.40/1,330,542.60 = 437,818.60/x
  3. Step 3: Cross multiply
    887,028.40x = 1,330,542.60 × 437,818.60
  4. Step 4: Simplify right side
    887,028.40x = 582,536,298,372.36
  5. Step 5: Solve for x
    x = 582,536,298,372.36/887,028.40
  6. Step 6: Final answer
    x = 656,727.90

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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.