Home / 827,540.60-1,241,310.90-355,148.60

Finding the Fourth Proportional to 827,540.60, 1,241,310.90 and 355,148.60

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Solution

The fourth proportional to 827,540.60, 1,241,310.90 and 355,148.60 is: 532,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,540.60 : 1,241,310.90 = 355,148.60 : x
  2. Step 2: Convert to fraction form
    827,540.60/1,241,310.90 = 355,148.60/x
  3. Step 3: Cross multiply
    827,540.60x = 1,241,310.90 × 355,148.60
  4. Step 4: Simplify right side
    827,540.60x = 440,849,828,299.74
  5. Step 5: Solve for x
    x = 440,849,828,299.74/827,540.60
  6. Step 6: Final answer
    x = 532,722.90

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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.