Home / 374,720.22-517,327.86-247,764.06

Finding the Fourth Proportional to 374,720.22, 517,327.86 and 247,764.06

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Solution

The fourth proportional to 374,720.22, 517,327.86 and 247,764.06 is: 342,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,720.22 : 517,327.86 = 247,764.06 : x
  2. Step 2: Convert to fraction form
    374,720.22/517,327.86 = 247,764.06/x
  3. Step 3: Cross multiply
    374,720.22x = 517,327.86 × 247,764.06
  4. Step 4: Simplify right side
    374,720.22x = 128,175,250,944.71
  5. Step 5: Solve for x
    x = 128,175,250,944.71/374,720.22
  6. Step 6: Final answer
    x = 342,055.87

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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.