Home / 443,926.12-612,478.47-271,664.50

Finding the Fourth Proportional to 443,926.12, 612,478.47 and 271,664.50

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Solution

The fourth proportional to 443,926.12, 612,478.47 and 271,664.50 is: 374,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,926.12 : 612,478.47 = 271,664.50 : x
  2. Step 2: Convert to fraction form
    443,926.12/612,478.47 = 271,664.50/x
  3. Step 3: Cross multiply
    443,926.12x = 612,478.47 × 271,664.50
  4. Step 4: Simplify right side
    443,926.12x = 166,388,657,313.32
  5. Step 5: Solve for x
    x = 166,388,657,313.32/443,926.12
  6. Step 6: Final answer
    x = 374,811.60

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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.