Home / 757,822.25-1,045,794.80-418,290.59

Finding the Fourth Proportional to 757,822.25, 1,045,794.80 and 418,290.59

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Solution

The fourth proportional to 757,822.25, 1,045,794.80 and 418,290.59 is: 577,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,822.25 : 1,045,794.80 = 418,290.59 : x
  2. Step 2: Convert to fraction form
    757,822.25/1,045,794.80 = 418,290.59/x
  3. Step 3: Cross multiply
    757,822.25x = 1,045,794.80 × 418,290.59
  4. Step 4: Simplify right side
    757,822.25x = 437,446,123,910.93
  5. Step 5: Solve for x
    x = 437,446,123,910.93/757,822.25
  6. Step 6: Final answer
    x = 577,241.07

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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.