Home / 726,823.56-1,090,149.47-194,385.85

Finding the Fourth Proportional to 726,823.56, 1,090,149.47 and 194,385.85

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Solution

The fourth proportional to 726,823.56, 1,090,149.47 and 194,385.85 is: 291,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,823.56 : 1,090,149.47 = 194,385.85 : x
  2. Step 2: Convert to fraction form
    726,823.56/1,090,149.47 = 194,385.85/x
  3. Step 3: Cross multiply
    726,823.56x = 1,090,149.47 × 194,385.85
  4. Step 4: Simplify right side
    726,823.56x = 211,909,631,353.00
  5. Step 5: Solve for x
    x = 211,909,631,353.00/726,823.56
  6. Step 6: Final answer
    x = 291,555.81

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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.