Home / 1,339,533.08-1,848,619.86-823,309.50

Finding the Fourth Proportional to 1,339,533.08, 1,848,619.86 and 823,309.50

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Solution

The fourth proportional to 1,339,533.08, 1,848,619.86 and 823,309.50 is: 1,136,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,533.08 : 1,848,619.86 = 823,309.50 : x
  2. Step 2: Convert to fraction form
    1,339,533.08/1,848,619.86 = 823,309.50/x
  3. Step 3: Cross multiply
    1,339,533.08x = 1,848,619.86 × 823,309.50
  4. Step 4: Simplify right side
    1,339,533.08x = 1,521,986,292,626.67
  5. Step 5: Solve for x
    x = 1,521,986,292,626.67/1,339,533.08
  6. Step 6: Final answer
    x = 1,136,206.57

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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.