Home / 885,812.13-1,328,997.78-673,596.45

Finding the Fourth Proportional to 885,812.13, 1,328,997.78 and 673,596.45

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Solution

The fourth proportional to 885,812.13, 1,328,997.78 and 673,596.45 is: 1,010,607.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,812.13 : 1,328,997.78 = 673,596.45 : x
  2. Step 2: Convert to fraction form
    885,812.13/1,328,997.78 = 673,596.45/x
  3. Step 3: Cross multiply
    885,812.13x = 1,328,997.78 × 673,596.45
  4. Step 4: Simplify right side
    885,812.13x = 895,208,186,665.88
  5. Step 5: Solve for x
    x = 895,208,186,665.88/885,812.13
  6. Step 6: Final answer
    x = 1,010,607.28

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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.