Home / 827,385.12-1,240,771.14-294,764.76

Finding the Fourth Proportional to 827,385.12, 1,240,771.14 and 294,764.76

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Solution

The fourth proportional to 827,385.12, 1,240,771.14 and 294,764.76 is: 442,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,385.12 : 1,240,771.14 = 294,764.76 : x
  2. Step 2: Convert to fraction form
    827,385.12/1,240,771.14 = 294,764.76/x
  3. Step 3: Cross multiply
    827,385.12x = 1,240,771.14 × 294,764.76
  4. Step 4: Simplify right side
    827,385.12x = 365,735,607,297.03
  5. Step 5: Solve for x
    x = 365,735,607,297.03/827,385.12
  6. Step 6: Final answer
    x = 442,037.93

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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.