Home / 502,226.21-693,077.27-272,785.72

Finding the Fourth Proportional to 502,226.21, 693,077.27 and 272,785.72

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Solution

The fourth proportional to 502,226.21, 693,077.27 and 272,785.72 is: 376,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,226.21 : 693,077.27 = 272,785.72 : x
  2. Step 2: Convert to fraction form
    502,226.21/693,077.27 = 272,785.72/x
  3. Step 3: Cross multiply
    502,226.21x = 693,077.27 × 272,785.72
  4. Step 4: Simplify right side
    502,226.21x = 189,061,579,015.96
  5. Step 5: Solve for x
    x = 189,061,579,015.96/502,226.21
  6. Step 6: Final answer
    x = 376,447.06

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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.