Home / 741,006.50-1,022,575.59-418,709.66

Finding the Fourth Proportional to 741,006.50, 1,022,575.59 and 418,709.66

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Solution

The fourth proportional to 741,006.50, 1,022,575.59 and 418,709.66 is: 577,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,006.50 : 1,022,575.59 = 418,709.66 : x
  2. Step 2: Convert to fraction form
    741,006.50/1,022,575.59 = 418,709.66/x
  3. Step 3: Cross multiply
    741,006.50x = 1,022,575.59 × 418,709.66
  4. Step 4: Simplify right side
    741,006.50x = 428,162,272,500.32
  5. Step 5: Solve for x
    x = 428,162,272,500.32/741,006.50
  6. Step 6: Final answer
    x = 577,811.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.