Home / 827,900.08-1,240,811.32-354,028.24

Finding the Fourth Proportional to 827,900.08, 1,240,811.32 and 354,028.24

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Solution

The fourth proportional to 827,900.08, 1,240,811.32 and 354,028.24 is: 530,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,900.08 : 1,240,811.32 = 354,028.24 : x
  2. Step 2: Convert to fraction form
    827,900.08/1,240,811.32 = 354,028.24/x
  3. Step 3: Cross multiply
    827,900.08x = 1,240,811.32 × 354,028.24
  4. Step 4: Simplify right side
    827,900.08x = 439,282,247,791.68
  5. Step 5: Solve for x
    x = 439,282,247,791.68/827,900.08
  6. Step 6: Final answer
    x = 530,598.15

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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.