Home / 502,865.36-693,954.20-276,510.86

Finding the Fourth Proportional to 502,865.36, 693,954.20 and 276,510.86

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Solution

The fourth proportional to 502,865.36, 693,954.20 and 276,510.86 is: 381,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,865.36 : 693,954.20 = 276,510.86 : x
  2. Step 2: Convert to fraction form
    502,865.36/693,954.20 = 276,510.86/x
  3. Step 3: Cross multiply
    502,865.36x = 693,954.20 × 276,510.86
  4. Step 4: Simplify right side
    502,865.36x = 191,885,872,642.61
  5. Step 5: Solve for x
    x = 191,885,872,642.61/502,865.36
  6. Step 6: Final answer
    x = 381,584.99

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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.