Home / 784,200.87-1,082,194.97-435,394.53

Finding the Fourth Proportional to 784,200.87, 1,082,194.97 and 435,394.53

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Solution

The fourth proportional to 784,200.87, 1,082,194.97 and 435,394.53 is: 600,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,200.87 : 1,082,194.97 = 435,394.53 : x
  2. Step 2: Convert to fraction form
    784,200.87/1,082,194.97 = 435,394.53/x
  3. Step 3: Cross multiply
    784,200.87x = 1,082,194.97 × 435,394.53
  4. Step 4: Simplify right side
    784,200.87x = 471,181,768,154.54
  5. Step 5: Solve for x
    x = 471,181,768,154.54/784,200.87
  6. Step 6: Final answer
    x = 600,843.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.