Home / 855,239.10-1,180,149.78-511,006.48

Finding the Fourth Proportional to 855,239.10, 1,180,149.78 and 511,006.48

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Solution

The fourth proportional to 855,239.10, 1,180,149.78 and 511,006.48 is: 705,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,239.10 : 1,180,149.78 = 511,006.48 : x
  2. Step 2: Convert to fraction form
    855,239.10/1,180,149.78 = 511,006.48/x
  3. Step 3: Cross multiply
    855,239.10x = 1,180,149.78 × 511,006.48
  4. Step 4: Simplify right side
    855,239.10x = 603,064,184,950.57
  5. Step 5: Solve for x
    x = 603,064,184,950.57/855,239.10
  6. Step 6: Final answer
    x = 705,141.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.