Home / 1,259,143.06-1,889,083.14-406,198.48

Finding the Fourth Proportional to 1,259,143.06, 1,889,083.14 and 406,198.48

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Solution

The fourth proportional to 1,259,143.06, 1,889,083.14 and 406,198.48 is: 609,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,143.06 : 1,889,083.14 = 406,198.48 : x
  2. Step 2: Convert to fraction form
    1,259,143.06/1,889,083.14 = 406,198.48/x
  3. Step 3: Cross multiply
    1,259,143.06x = 1,889,083.14 × 406,198.48
  4. Step 4: Simplify right side
    1,259,143.06x = 767,342,700,061.63
  5. Step 5: Solve for x
    x = 767,342,700,061.63/1,259,143.06
  6. Step 6: Final answer
    x = 609,416.61

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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.