Home / 757,865.18-1,045,853.78-418,333.34

Finding the Fourth Proportional to 757,865.18, 1,045,853.78 and 418,333.34

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Solution

The fourth proportional to 757,865.18, 1,045,853.78 and 418,333.34 is: 577,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,865.18 : 1,045,853.78 = 418,333.34 : x
  2. Step 2: Convert to fraction form
    757,865.18/1,045,853.78 = 418,333.34/x
  3. Step 3: Cross multiply
    757,865.18x = 1,045,853.78 × 418,333.34
  4. Step 4: Simplify right side
    757,865.18x = 437,515,504,939.03
  5. Step 5: Solve for x
    x = 437,515,504,939.03/757,865.18
  6. Step 6: Final answer
    x = 577,299.92

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