Home / 1,354,603.80-2,032,016.16-680,338.20

Finding the Fourth Proportional to 1,354,603.80, 2,032,016.16 and 680,338.20

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Solution

The fourth proportional to 1,354,603.80, 2,032,016.16 and 680,338.20 is: 1,020,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,603.80 : 2,032,016.16 = 680,338.20 : x
  2. Step 2: Convert to fraction form
    1,354,603.80/2,032,016.16 = 680,338.20/x
  3. Step 3: Cross multiply
    1,354,603.80x = 2,032,016.16 × 680,338.20
  4. Step 4: Simplify right side
    1,354,603.80x = 1,382,458,216,665.31
  5. Step 5: Solve for x
    x = 1,382,458,216,665.31/1,354,603.80
  6. Step 6: Final answer
    x = 1,020,562.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.