Home / 1,261,603.83-1,740,997.99-717,738.38

Finding the Fourth Proportional to 1,261,603.83, 1,740,997.99 and 717,738.38

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Solution

The fourth proportional to 1,261,603.83, 1,740,997.99 and 717,738.38 is: 990,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,603.83 : 1,740,997.99 = 717,738.38 : x
  2. Step 2: Convert to fraction form
    1,261,603.83/1,740,997.99 = 717,738.38/x
  3. Step 3: Cross multiply
    1,261,603.83x = 1,740,997.99 × 717,738.38
  4. Step 4: Simplify right side
    1,261,603.83x = 1,249,581,066,426.52
  5. Step 5: Solve for x
    x = 1,249,581,066,426.52/1,261,603.83
  6. Step 6: Final answer
    x = 990,470.25

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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.