Home / 547,748.95-755,818.41-306,001.48

Finding the Fourth Proportional to 547,748.95, 755,818.41 and 306,001.48

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Solution

The fourth proportional to 547,748.95, 755,818.41 and 306,001.48 is: 422,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,748.95 : 755,818.41 = 306,001.48 : x
  2. Step 2: Convert to fraction form
    547,748.95/755,818.41 = 306,001.48/x
  3. Step 3: Cross multiply
    547,748.95x = 755,818.41 × 306,001.48
  4. Step 4: Simplify right side
    547,748.95x = 231,281,552,071.25
  5. Step 5: Solve for x
    x = 231,281,552,071.25/547,748.95
  6. Step 6: Final answer
    x = 422,240.06

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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.