Home / 828,996.41-1,243,611.39-289,173.96

Finding the Fourth Proportional to 828,996.41, 1,243,611.39 and 289,173.96

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Solution

The fourth proportional to 828,996.41, 1,243,611.39 and 289,173.96 is: 433,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,996.41 : 1,243,611.39 = 289,173.96 : x
  2. Step 2: Convert to fraction form
    828,996.41/1,243,611.39 = 289,173.96/x
  3. Step 3: Cross multiply
    828,996.41x = 1,243,611.39 × 289,173.96
  4. Step 4: Simplify right side
    828,996.41x = 359,620,031,431.81
  5. Step 5: Solve for x
    x = 359,620,031,431.81/828,996.41
  6. Step 6: Final answer
    x = 433,801.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.