Home / 802,193.73-1,107,036.05-439,609.78

Finding the Fourth Proportional to 802,193.73, 1,107,036.05 and 439,609.78

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Solution

The fourth proportional to 802,193.73, 1,107,036.05 and 439,609.78 is: 606,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,193.73 : 1,107,036.05 = 439,609.78 : x
  2. Step 2: Convert to fraction form
    802,193.73/1,107,036.05 = 439,609.78/x
  3. Step 3: Cross multiply
    802,193.73x = 1,107,036.05 × 439,609.78
  4. Step 4: Simplify right side
    802,193.73x = 486,663,873,578.32
  5. Step 5: Solve for x
    x = 486,663,873,578.32/802,193.73
  6. Step 6: Final answer
    x = 606,666.27

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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.