Home / 544,821.48-751,864.14-318,598.20

Finding the Fourth Proportional to 544,821.48, 751,864.14 and 318,598.20

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Solution

The fourth proportional to 544,821.48, 751,864.14 and 318,598.20 is: 439,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,821.48 : 751,864.14 = 318,598.20 : x
  2. Step 2: Convert to fraction form
    544,821.48/751,864.14 = 318,598.20/x
  3. Step 3: Cross multiply
    544,821.48x = 751,864.14 × 318,598.20
  4. Step 4: Simplify right side
    544,821.48x = 239,542,561,648.55
  5. Step 5: Solve for x
    x = 239,542,561,648.55/544,821.48
  6. Step 6: Final answer
    x = 439,671.65

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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.