Home / 374,931.22-517,403.61-202,848.64

Finding the Fourth Proportional to 374,931.22, 517,403.61 and 202,848.64

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Solution

The fourth proportional to 374,931.22, 517,403.61 and 202,848.64 is: 279,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,931.22 : 517,403.61 = 202,848.64 : x
  2. Step 2: Convert to fraction form
    374,931.22/517,403.61 = 202,848.64/x
  3. Step 3: Cross multiply
    374,931.22x = 517,403.61 × 202,848.64
  4. Step 4: Simplify right side
    374,931.22x = 104,954,618,619.59
  5. Step 5: Solve for x
    x = 104,954,618,619.59/374,931.22
  6. Step 6: Final answer
    x = 279,930.33

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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.