Home / 374,013.61-515,788.43-297,784.34

Finding the Fourth Proportional to 374,013.61, 515,788.43 and 297,784.34

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Solution

The fourth proportional to 374,013.61, 515,788.43 and 297,784.34 is: 410,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,013.61 : 515,788.43 = 297,784.34 : x
  2. Step 2: Convert to fraction form
    374,013.61/515,788.43 = 297,784.34/x
  3. Step 3: Cross multiply
    374,013.61x = 515,788.43 × 297,784.34
  4. Step 4: Simplify right side
    374,013.61x = 153,593,715,073.53
  5. Step 5: Solve for x
    x = 153,593,715,073.53/374,013.61
  6. Step 6: Final answer
    x = 410,663.44

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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.