Home / 502,756.38-693,816.15-276,402.30

Finding the Fourth Proportional to 502,756.38, 693,816.15 and 276,402.30

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Solution

The fourth proportional to 502,756.38, 693,816.15 and 276,402.30 is: 381,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,756.38 : 693,816.15 = 276,402.30 : x
  2. Step 2: Convert to fraction form
    502,756.38/693,816.15 = 276,402.30/x
  3. Step 3: Cross multiply
    502,756.38x = 693,816.15 × 276,402.30
  4. Step 4: Simplify right side
    502,756.38x = 191,772,379,637.15
  5. Step 5: Solve for x
    x = 191,772,379,637.15/502,756.38
  6. Step 6: Final answer
    x = 381,441.96

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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.