Home / 827,105.58-1,240,824.42-377,705.77

Finding the Fourth Proportional to 827,105.58, 1,240,824.42 and 377,705.77

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Solution

The fourth proportional to 827,105.58, 1,240,824.42 and 377,705.77 is: 566,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,105.58 : 1,240,824.42 = 377,705.77 : x
  2. Step 2: Convert to fraction form
    827,105.58/1,240,824.42 = 377,705.77/x
  3. Step 3: Cross multiply
    827,105.58x = 1,240,824.42 × 377,705.77
  4. Step 4: Simplify right side
    827,105.58x = 468,666,539,888.84
  5. Step 5: Solve for x
    x = 468,666,539,888.84/827,105.58
  6. Step 6: Final answer
    x = 566,634.48

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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.