Home / 383,174.26-528,943.24-272,864.40

Finding the Fourth Proportional to 383,174.26, 528,943.24 and 272,864.40

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Solution

The fourth proportional to 383,174.26, 528,943.24 and 272,864.40 is: 376,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,174.26 : 528,943.24 = 272,864.40 : x
  2. Step 2: Convert to fraction form
    383,174.26/528,943.24 = 272,864.40/x
  3. Step 3: Cross multiply
    383,174.26x = 528,943.24 × 272,864.40
  4. Step 4: Simplify right side
    383,174.26x = 144,329,779,816.66
  5. Step 5: Solve for x
    x = 144,329,779,816.66/383,174.26
  6. Step 6: Final answer
    x = 376,668.78

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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.