Home / 726,705.11-1,001,813.73-511,176.26

Finding the Fourth Proportional to 726,705.11, 1,001,813.73 and 511,176.26

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Solution

The fourth proportional to 726,705.11, 1,001,813.73 and 511,176.26 is: 704,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,705.11 : 1,001,813.73 = 511,176.26 : x
  2. Step 2: Convert to fraction form
    726,705.11/1,001,813.73 = 511,176.26/x
  3. Step 3: Cross multiply
    726,705.11x = 1,001,813.73 × 511,176.26
  4. Step 4: Simplify right side
    726,705.11x = 512,103,395,718.05
  5. Step 5: Solve for x
    x = 512,103,395,718.05/726,705.11
  6. Step 6: Final answer
    x = 704,692.16

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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.