Home / 823,712.46-1,136,137.08-755,948.34

Finding the Fourth Proportional to 823,712.46, 1,136,137.08 and 755,948.34

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Solution

The fourth proportional to 823,712.46, 1,136,137.08 and 755,948.34 is: 1,042,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,712.46 : 1,136,137.08 = 755,948.34 : x
  2. Step 2: Convert to fraction form
    823,712.46/1,136,137.08 = 755,948.34/x
  3. Step 3: Cross multiply
    823,712.46x = 1,136,137.08 × 755,948.34
  4. Step 4: Simplify right side
    823,712.46x = 858,860,939,638.45
  5. Step 5: Solve for x
    x = 858,860,939,638.45/823,712.46
  6. Step 6: Final answer
    x = 1,042,670.81

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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.