Home / 502,864.24-693,964.56-276,509.56

Finding the Fourth Proportional to 502,864.24, 693,964.56 and 276,509.56

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Solution

The fourth proportional to 502,864.24, 693,964.56 and 276,509.56 is: 381,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,864.24 : 693,964.56 = 276,509.56 : x
  2. Step 2: Convert to fraction form
    502,864.24/693,964.56 = 276,509.56/x
  3. Step 3: Cross multiply
    502,864.24x = 693,964.56 × 276,509.56
  4. Step 4: Simplify right side
    502,864.24x = 191,887,835,141.19
  5. Step 5: Solve for x
    x = 191,887,835,141.19/502,864.24
  6. Step 6: Final answer
    x = 381,589.74

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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.