Home / 823,356.10-1,136,207-455,849.61

Finding the Fourth Proportional to 823,356.10, 1,136,207 and 455,849.61

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Solution

The fourth proportional to 823,356.10, 1,136,207 and 455,849.61 is: 629,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,356.10 : 1,136,207 = 455,849.61 : x
  2. Step 2: Convert to fraction form
    823,356.10/1,136,207 = 455,849.61/x
  3. Step 3: Cross multiply
    823,356.10x = 1,136,207 × 455,849.61
  4. Step 4: Simplify right side
    823,356.10x = 517,939,517,829.27
  5. Step 5: Solve for x
    x = 517,939,517,829.27/823,356.10
  6. Step 6: Final answer
    x = 629,058.94

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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.