Home / 731,277.52-1,097,285.31-331,663.42

Finding the Fourth Proportional to 731,277.52, 1,097,285.31 and 331,663.42

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Solution

The fourth proportional to 731,277.52, 1,097,285.31 and 331,663.42 is: 497,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,277.52 : 1,097,285.31 = 331,663.42 : x
  2. Step 2: Convert to fraction form
    731,277.52/1,097,285.31 = 331,663.42/x
  3. Step 3: Cross multiply
    731,277.52x = 1,097,285.31 × 331,663.42
  4. Step 4: Simplify right side
    731,277.52x = 363,929,398,630.36
  5. Step 5: Solve for x
    x = 363,929,398,630.36/731,277.52
  6. Step 6: Final answer
    x = 497,662.50

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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.