Home / 1,296,361.40-1,944,529.30-409,897.40

Finding the Fourth Proportional to 1,296,361.40, 1,944,529.30 and 409,897.40

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Solution

The fourth proportional to 1,296,361.40, 1,944,529.30 and 409,897.40 is: 614,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,361.40 : 1,944,529.30 = 409,897.40 : x
  2. Step 2: Convert to fraction form
    1,296,361.40/1,944,529.30 = 409,897.40/x
  3. Step 3: Cross multiply
    1,296,361.40x = 1,944,529.30 × 409,897.40
  4. Step 4: Simplify right side
    1,296,361.40x = 797,057,504,293.82
  5. Step 5: Solve for x
    x = 797,057,504,293.82/1,296,361.40
  6. Step 6: Final answer
    x = 614,842.05

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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.