Home / 486,496.36-671,365.38-271,636.12

Finding the Fourth Proportional to 486,496.36, 671,365.38 and 271,636.12

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Solution

The fourth proportional to 486,496.36, 671,365.38 and 271,636.12 is: 374,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,496.36 : 671,365.38 = 271,636.12 : x
  2. Step 2: Convert to fraction form
    486,496.36/671,365.38 = 271,636.12/x
  3. Step 3: Cross multiply
    486,496.36x = 671,365.38 × 271,636.12
  4. Step 4: Simplify right side
    486,496.36x = 182,367,086,925.53
  5. Step 5: Solve for x
    x = 182,367,086,925.53/486,496.36
  6. Step 6: Final answer
    x = 374,858.07

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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.