Home / 374,439.22-517,152.21-251,718.45

Finding the Fourth Proportional to 374,439.22, 517,152.21 and 251,718.45

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Solution

The fourth proportional to 374,439.22, 517,152.21 and 251,718.45 is: 347,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,439.22 : 517,152.21 = 251,718.45 : x
  2. Step 2: Convert to fraction form
    374,439.22/517,152.21 = 251,718.45/x
  3. Step 3: Cross multiply
    374,439.22x = 517,152.21 × 251,718.45
  4. Step 4: Simplify right side
    374,439.22x = 130,176,751,771.33
  5. Step 5: Solve for x
    x = 130,176,751,771.33/374,439.22
  6. Step 6: Final answer
    x = 347,657.90

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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.