Home / 527,243.04-727,654.32-300,926.88

Finding the Fourth Proportional to 527,243.04, 727,654.32 and 300,926.88

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Solution

The fourth proportional to 527,243.04, 727,654.32 and 300,926.88 is: 415,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,243.04 : 727,654.32 = 300,926.88 : x
  2. Step 2: Convert to fraction form
    527,243.04/727,654.32 = 300,926.88/x
  3. Step 3: Cross multiply
    527,243.04x = 727,654.32 × 300,926.88
  4. Step 4: Simplify right side
    527,243.04x = 218,970,744,236.12
  5. Step 5: Solve for x
    x = 218,970,744,236.12/527,243.04
  6. Step 6: Final answer
    x = 415,312.73

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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.