Home / 374,748.03-517,139.19-213,654.96

Finding the Fourth Proportional to 374,748.03, 517,139.19 and 213,654.96

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Solution

The fourth proportional to 374,748.03, 517,139.19 and 213,654.96 is: 294,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,748.03 : 517,139.19 = 213,654.96 : x
  2. Step 2: Convert to fraction form
    374,748.03/517,139.19 = 213,654.96/x
  3. Step 3: Cross multiply
    374,748.03x = 517,139.19 × 213,654.96
  4. Step 4: Simplify right side
    374,748.03x = 110,489,352,953.88
  5. Step 5: Solve for x
    x = 110,489,352,953.88/374,748.03
  6. Step 6: Final answer
    x = 294,836.38

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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.