Home / 826,728.93-1,140,797.79-464,192.37

Finding the Fourth Proportional to 826,728.93, 1,140,797.79 and 464,192.37

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Solution

The fourth proportional to 826,728.93, 1,140,797.79 and 464,192.37 is: 640,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,728.93 : 1,140,797.79 = 464,192.37 : x
  2. Step 2: Convert to fraction form
    826,728.93/1,140,797.79 = 464,192.37/x
  3. Step 3: Cross multiply
    826,728.93x = 1,140,797.79 × 464,192.37
  4. Step 4: Simplify right side
    826,728.93x = 529,549,629,830.86
  5. Step 5: Solve for x
    x = 529,549,629,830.86/826,728.93
  6. Step 6: Final answer
    x = 640,535.99

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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.