Home / 534,836.25-738,074.03-319,985.37

Finding the Fourth Proportional to 534,836.25, 738,074.03 and 319,985.37

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Solution

The fourth proportional to 534,836.25, 738,074.03 and 319,985.37 is: 441,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,836.25 : 738,074.03 = 319,985.37 : x
  2. Step 2: Convert to fraction form
    534,836.25/738,074.03 = 319,985.37/x
  3. Step 3: Cross multiply
    534,836.25x = 738,074.03 × 319,985.37
  4. Step 4: Simplify right side
    534,836.25x = 236,172,889,977.01
  5. Step 5: Solve for x
    x = 236,172,889,977.01/534,836.25
  6. Step 6: Final answer
    x = 441,579.81

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1.5x scale

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.