Home / 502,273.04-693,144.23-272,834.78

Finding the Fourth Proportional to 502,273.04, 693,144.23 and 272,834.78

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Solution

The fourth proportional to 502,273.04, 693,144.23 and 272,834.78 is: 376,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,273.04 : 693,144.23 = 272,834.78 : x
  2. Step 2: Convert to fraction form
    502,273.04/693,144.23 = 272,834.78/x
  3. Step 3: Cross multiply
    502,273.04x = 693,144.23 × 272,834.78
  4. Step 4: Simplify right side
    502,273.04x = 189,113,848,670.42
  5. Step 5: Solve for x
    x = 189,113,848,670.42/502,273.04
  6. Step 6: Final answer
    x = 376,516.03

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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.