Home / 1,626,778.80-2,245,037.48-938,194.64

Finding the Fourth Proportional to 1,626,778.80, 2,245,037.48 and 938,194.64

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Solution

The fourth proportional to 1,626,778.80, 2,245,037.48 and 938,194.64 is: 1,294,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,778.80 : 2,245,037.48 = 938,194.64 : x
  2. Step 2: Convert to fraction form
    1,626,778.80/2,245,037.48 = 938,194.64/x
  3. Step 3: Cross multiply
    1,626,778.80x = 2,245,037.48 × 938,194.64
  4. Step 4: Simplify right side
    1,626,778.80x = 2,106,282,130,335.11
  5. Step 5: Solve for x
    x = 2,106,282,130,335.11/1,626,778.80
  6. Step 6: Final answer
    x = 1,294,756.32

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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.