Home / 741,069.78-1,022,560.08-431,041.02

Finding the Fourth Proportional to 741,069.78, 1,022,560.08 and 431,041.02

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Solution

The fourth proportional to 741,069.78, 1,022,560.08 and 431,041.02 is: 594,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,069.78 : 1,022,560.08 = 431,041.02 : x
  2. Step 2: Convert to fraction form
    741,069.78/1,022,560.08 = 431,041.02/x
  3. Step 3: Cross multiply
    741,069.78x = 1,022,560.08 × 431,041.02
  4. Step 4: Simplify right side
    741,069.78x = 440,765,339,894.48
  5. Step 5: Solve for x
    x = 440,765,339,894.48/741,069.78
  6. Step 6: Final answer
    x = 594,769.01

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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.