Home / 1,724,605.36-2,379,957.66-939,667.57

Finding the Fourth Proportional to 1,724,605.36, 2,379,957.66 and 939,667.57

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Solution

The fourth proportional to 1,724,605.36, 2,379,957.66 and 939,667.57 is: 1,296,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,605.36 : 2,379,957.66 = 939,667.57 : x
  2. Step 2: Convert to fraction form
    1,724,605.36/2,379,957.66 = 939,667.57/x
  3. Step 3: Cross multiply
    1,724,605.36x = 2,379,957.66 × 939,667.57
  4. Step 4: Simplify right side
    1,724,605.36x = 2,236,369,031,075.09
  5. Step 5: Solve for x
    x = 2,236,369,031,075.09/1,724,605.36
  6. Step 6: Final answer
    x = 1,296,742.48

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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.