Home / 502,938.38-694,041.09-276,583.88

Finding the Fourth Proportional to 502,938.38, 694,041.09 and 276,583.88

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Solution

The fourth proportional to 502,938.38, 694,041.09 and 276,583.88 is: 381,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,938.38 : 694,041.09 = 276,583.88 : x
  2. Step 2: Convert to fraction form
    502,938.38/694,041.09 = 276,583.88/x
  3. Step 3: Cross multiply
    502,938.38x = 694,041.09 × 276,583.88
  4. Step 4: Simplify right side
    502,938.38x = 191,960,577,551.63
  5. Step 5: Solve for x
    x = 191,960,577,551.63/502,938.38
  6. Step 6: Final answer
    x = 381,678.12

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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.