Home / 802,564.43-1,107,514.94-439,975.89

Finding the Fourth Proportional to 802,564.43, 1,107,514.94 and 439,975.89

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Solution

The fourth proportional to 802,564.43, 1,107,514.94 and 439,975.89 is: 607,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,564.43 : 1,107,514.94 = 439,975.89 : x
  2. Step 2: Convert to fraction form
    802,564.43/1,107,514.94 = 439,975.89/x
  3. Step 3: Cross multiply
    802,564.43x = 1,107,514.94 × 439,975.89
  4. Step 4: Simplify right side
    802,564.43x = 487,279,869,214.92
  5. Step 5: Solve for x
    x = 487,279,869,214.92/802,564.43
  6. Step 6: Final answer
    x = 607,153.59

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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.