Home / 672,587.22-1,009,028.43-199,309.62

Finding the Fourth Proportional to 672,587.22, 1,009,028.43 and 199,309.62

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Solution

The fourth proportional to 672,587.22, 1,009,028.43 and 199,309.62 is: 299,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,587.22 : 1,009,028.43 = 199,309.62 : x
  2. Step 2: Convert to fraction form
    672,587.22/1,009,028.43 = 199,309.62/x
  3. Step 3: Cross multiply
    672,587.22x = 1,009,028.43 × 199,309.62
  4. Step 4: Simplify right side
    672,587.22x = 201,109,072,952.50
  5. Step 5: Solve for x
    x = 201,109,072,952.50/672,587.22
  6. Step 6: Final answer
    x = 299,008.17

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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.