Home / 1,296,051.40-1,943,817.90-622,131.40

Finding the Fourth Proportional to 1,296,051.40, 1,943,817.90 and 622,131.40

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Solution

The fourth proportional to 1,296,051.40, 1,943,817.90 and 622,131.40 is: 933,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,051.40 : 1,943,817.90 = 622,131.40 : x
  2. Step 2: Convert to fraction form
    1,296,051.40/1,943,817.90 = 622,131.40/x
  3. Step 3: Cross multiply
    1,296,051.40x = 1,943,817.90 × 622,131.40
  4. Step 4: Simplify right side
    1,296,051.40x = 1,209,310,151,472.06
  5. Step 5: Solve for x
    x = 1,209,310,151,472.06/1,296,051.40
  6. Step 6: Final answer
    x = 933,072.68

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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.