Home / 826,617.70-1,239,926.55-294,739.30

Finding the Fourth Proportional to 826,617.70, 1,239,926.55 and 294,739.30

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Solution

The fourth proportional to 826,617.70, 1,239,926.55 and 294,739.30 is: 442,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,617.70 : 1,239,926.55 = 294,739.30 : x
  2. Step 2: Convert to fraction form
    826,617.70/1,239,926.55 = 294,739.30/x
  3. Step 3: Cross multiply
    826,617.70x = 1,239,926.55 × 294,739.30
  4. Step 4: Simplify right side
    826,617.70x = 365,455,083,398.42
  5. Step 5: Solve for x
    x = 365,455,083,398.42/826,617.70
  6. Step 6: Final answer
    x = 442,108.95

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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.