Home / 704,788.22-1,057,172.88-172,313.84

Finding the Fourth Proportional to 704,788.22, 1,057,172.88 and 172,313.84

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Solution

The fourth proportional to 704,788.22, 1,057,172.88 and 172,313.84 is: 258,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,788.22 : 1,057,172.88 = 172,313.84 : x
  2. Step 2: Convert to fraction form
    704,788.22/1,057,172.88 = 172,313.84/x
  3. Step 3: Cross multiply
    704,788.22x = 1,057,172.88 × 172,313.84
  4. Step 4: Simplify right side
    704,788.22x = 182,165,518,496.66
  5. Step 5: Solve for x
    x = 182,165,518,496.66/704,788.22
  6. Step 6: Final answer
    x = 258,468.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.