Home / 757,348.91-1,045,105.07-413,164.32

Finding the Fourth Proportional to 757,348.91, 1,045,105.07 and 413,164.32

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Solution

The fourth proportional to 757,348.91, 1,045,105.07 and 413,164.32 is: 570,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,348.91 : 1,045,105.07 = 413,164.32 : x
  2. Step 2: Convert to fraction form
    757,348.91/1,045,105.07 = 413,164.32/x
  3. Step 3: Cross multiply
    757,348.91x = 1,045,105.07 × 413,164.32
  4. Step 4: Simplify right side
    757,348.91x = 431,800,125,575.10
  5. Step 5: Solve for x
    x = 431,800,125,575.10/757,348.91
  6. Step 6: Final answer
    x = 570,146.89

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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.