Home / 728,157.28-1,002,570.32-619,047.04

Finding the Fourth Proportional to 728,157.28, 1,002,570.32 and 619,047.04

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Solution

The fourth proportional to 728,157.28, 1,002,570.32 and 619,047.04 is: 852,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,157.28 : 1,002,570.32 = 619,047.04 : x
  2. Step 2: Convert to fraction form
    728,157.28/1,002,570.32 = 619,047.04/x
  3. Step 3: Cross multiply
    728,157.28x = 1,002,570.32 × 619,047.04
  4. Step 4: Simplify right side
    728,157.28x = 620,638,188,987.85
  5. Step 5: Solve for x
    x = 620,638,188,987.85/728,157.28
  6. Step 6: Final answer
    x = 852,340.84

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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.