Home / 827,387.50-1,241,152.72-228,348.76

Finding the Fourth Proportional to 827,387.50, 1,241,152.72 and 228,348.76

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Solution

The fourth proportional to 827,387.50, 1,241,152.72 and 228,348.76 is: 342,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,387.50 : 1,241,152.72 = 228,348.76 : x
  2. Step 2: Convert to fraction form
    827,387.50/1,241,152.72 = 228,348.76/x
  3. Step 3: Cross multiply
    827,387.50x = 1,241,152.72 × 228,348.76
  4. Step 4: Simplify right side
    827,387.50x = 283,415,684,582.63
  5. Step 5: Solve for x
    x = 283,415,684,582.63/827,387.50
  6. Step 6: Final answer
    x = 342,542.86

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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.