Home / 726,941.40-1,090,635.24-372,204.48

Finding the Fourth Proportional to 726,941.40, 1,090,635.24 and 372,204.48

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Solution

The fourth proportional to 726,941.40, 1,090,635.24 and 372,204.48 is: 558,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,941.40 : 1,090,635.24 = 372,204.48 : x
  2. Step 2: Convert to fraction form
    726,941.40/1,090,635.24 = 372,204.48/x
  3. Step 3: Cross multiply
    726,941.40x = 1,090,635.24 × 372,204.48
  4. Step 4: Simplify right side
    726,941.40x = 405,939,322,373.88
  5. Step 5: Solve for x
    x = 405,939,322,373.88/726,941.40
  6. Step 6: Final answer
    x = 558,420.97

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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.