Home / 827,740.40-1,241,956.20-266,946.80

Finding the Fourth Proportional to 827,740.40, 1,241,956.20 and 266,946.80

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Solution

The fourth proportional to 827,740.40, 1,241,956.20 and 266,946.80 is: 400,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,740.40 : 1,241,956.20 = 266,946.80 : x
  2. Step 2: Convert to fraction form
    827,740.40/1,241,956.20 = 266,946.80/x
  3. Step 3: Cross multiply
    827,740.40x = 1,241,956.20 × 266,946.80
  4. Step 4: Simplify right side
    827,740.40x = 331,536,233,330.16
  5. Step 5: Solve for x
    x = 331,536,233,330.16/827,740.40
  6. Step 6: Final answer
    x = 400,531.66

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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.