Home / 527,251.04-727,665.36-300,934.88

Finding the Fourth Proportional to 527,251.04, 727,665.36 and 300,934.88

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Solution

The fourth proportional to 527,251.04, 727,665.36 and 300,934.88 is: 415,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.04 : 727,665.36 = 300,934.88 : x
  2. Step 2: Convert to fraction form
    527,251.04/727,665.36 = 300,934.88/x
  3. Step 3: Cross multiply
    527,251.04x = 727,665.36 × 300,934.88
  4. Step 4: Simplify right side
    527,251.04x = 218,979,887,791.76
  5. Step 5: Solve for x
    x = 218,979,887,791.76/527,251.04
  6. Step 6: Final answer
    x = 415,323.77

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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.