Home / 823,659.54-1,236,288.24-397,495.31

Finding the Fourth Proportional to 823,659.54, 1,236,288.24 and 397,495.31

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Solution

The fourth proportional to 823,659.54, 1,236,288.24 and 397,495.31 is: 596,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,659.54 : 1,236,288.24 = 397,495.31 : x
  2. Step 2: Convert to fraction form
    823,659.54/1,236,288.24 = 397,495.31/x
  3. Step 3: Cross multiply
    823,659.54x = 1,236,288.24 × 397,495.31
  4. Step 4: Simplify right side
    823,659.54x = 491,418,771,026.71
  5. Step 5: Solve for x
    x = 491,418,771,026.71/823,659.54
  6. Step 6: Final answer
    x = 596,628.52

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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.