Home / 757,751.18-1,045,694.48-418,217

Finding the Fourth Proportional to 757,751.18, 1,045,694.48 and 418,217

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Solution

The fourth proportional to 757,751.18, 1,045,694.48 and 418,217 is: 577,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,751.18 : 1,045,694.48 = 418,217 : x
  2. Step 2: Convert to fraction form
    757,751.18/1,045,694.48 = 418,217/x
  3. Step 3: Cross multiply
    757,751.18x = 1,045,694.48 × 418,217
  4. Step 4: Simplify right side
    757,751.18x = 437,327,208,342.16
  5. Step 5: Solve for x
    x = 437,327,208,342.16/757,751.18
  6. Step 6: Final answer
    x = 577,138.27

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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.