Home / 534,740.25-737,941.55-319,889.37

Finding the Fourth Proportional to 534,740.25, 737,941.55 and 319,889.37

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Solution

The fourth proportional to 534,740.25, 737,941.55 and 319,889.37 is: 441,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,740.25 : 737,941.55 = 319,889.37 : x
  2. Step 2: Convert to fraction form
    534,740.25/737,941.55 = 319,889.37/x
  3. Step 3: Cross multiply
    534,740.25x = 737,941.55 × 319,889.37
  4. Step 4: Simplify right side
    534,740.25x = 236,059,655,926.88
  5. Step 5: Solve for x
    x = 236,059,655,926.88/534,740.25
  6. Step 6: Final answer
    x = 441,447.33

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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.