Home / 817,059.20-1,225,588.80-782,504.60

Finding the Fourth Proportional to 817,059.20, 1,225,588.80 and 782,504.60

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Solution

The fourth proportional to 817,059.20, 1,225,588.80 and 782,504.60 is: 1,173,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,059.20 : 1,225,588.80 = 782,504.60 : x
  2. Step 2: Convert to fraction form
    817,059.20/1,225,588.80 = 782,504.60/x
  3. Step 3: Cross multiply
    817,059.20x = 1,225,588.80 × 782,504.60
  4. Step 4: Simplify right side
    817,059.20x = 959,028,873,708.48
  5. Step 5: Solve for x
    x = 959,028,873,708.48/817,059.20
  6. Step 6: Final answer
    x = 1,173,756.90

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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.