Home / 827,384.40-1,241,076.60-294,922.80

Finding the Fourth Proportional to 827,384.40, 1,241,076.60 and 294,922.80

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Solution

The fourth proportional to 827,384.40, 1,241,076.60 and 294,922.80 is: 442,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,384.40 : 1,241,076.60 = 294,922.80 : x
  2. Step 2: Convert to fraction form
    827,384.40/1,241,076.60 = 294,922.80/x
  3. Step 3: Cross multiply
    827,384.40x = 1,241,076.60 × 294,922.80
  4. Step 4: Simplify right side
    827,384.40x = 366,021,785,886.48
  5. Step 5: Solve for x
    x = 366,021,785,886.48/827,384.40
  6. Step 6: Final answer
    x = 442,384.20

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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.