Home / 855,798.72-1,180,920.24-511,566.36

Finding the Fourth Proportional to 855,798.72, 1,180,920.24 and 511,566.36

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Solution

The fourth proportional to 855,798.72, 1,180,920.24 and 511,566.36 is: 705,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,798.72 : 1,180,920.24 = 511,566.36 : x
  2. Step 2: Convert to fraction form
    855,798.72/1,180,920.24 = 511,566.36/x
  3. Step 3: Cross multiply
    855,798.72x = 1,180,920.24 × 511,566.36
  4. Step 4: Simplify right side
    855,798.72x = 604,119,068,627.13
  5. Step 5: Solve for x
    x = 604,119,068,627.13/855,798.72
  6. Step 6: Final answer
    x = 705,912.56

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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.