Home / 933,172.20-1,399,758.30-400,602.60

Finding the Fourth Proportional to 933,172.20, 1,399,758.30 and 400,602.60

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Solution

The fourth proportional to 933,172.20, 1,399,758.30 and 400,602.60 is: 600,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,172.20 : 1,399,758.30 = 400,602.60 : x
  2. Step 2: Convert to fraction form
    933,172.20/1,399,758.30 = 400,602.60/x
  3. Step 3: Cross multiply
    933,172.20x = 1,399,758.30 × 400,602.60
  4. Step 4: Simplify right side
    933,172.20x = 560,746,814,351.58
  5. Step 5: Solve for x
    x = 560,746,814,351.58/933,172.20
  6. Step 6: Final answer
    x = 600,903.90

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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.