Home / 502,349.98-693,240.22-272,905.45

Finding the Fourth Proportional to 502,349.98, 693,240.22 and 272,905.45

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Solution

The fourth proportional to 502,349.98, 693,240.22 and 272,905.45 is: 376,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,349.98 : 693,240.22 = 272,905.45 : x
  2. Step 2: Convert to fraction form
    502,349.98/693,240.22 = 272,905.45/x
  3. Step 3: Cross multiply
    502,349.98x = 693,240.22 × 272,905.45
  4. Step 4: Simplify right side
    502,349.98x = 189,189,034,197.20
  5. Step 5: Solve for x
    x = 189,189,034,197.20/502,349.98
  6. Step 6: Final answer
    x = 376,608.03

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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.