Home / 511,109.10-704,852.16-403,935.18

Finding the Fourth Proportional to 511,109.10, 704,852.16 and 403,935.18

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Solution

The fourth proportional to 511,109.10, 704,852.16 and 403,935.18 is: 557,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,109.10 : 704,852.16 = 403,935.18 : x
  2. Step 2: Convert to fraction form
    511,109.10/704,852.16 = 403,935.18/x
  3. Step 3: Cross multiply
    511,109.10x = 704,852.16 × 403,935.18
  4. Step 4: Simplify right side
    511,109.10x = 284,714,584,122.99
  5. Step 5: Solve for x
    x = 284,714,584,122.99/511,109.10
  6. Step 6: Final answer
    x = 557,052.47

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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.