Home / 1,626,776.80-2,245,034.72-938,192.64

Finding the Fourth Proportional to 1,626,776.80, 2,245,034.72 and 938,192.64

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Solution

The fourth proportional to 1,626,776.80, 2,245,034.72 and 938,192.64 is: 1,294,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,776.80 : 2,245,034.72 = 938,192.64 : x
  2. Step 2: Convert to fraction form
    1,626,776.80/2,245,034.72 = 938,192.64/x
  3. Step 3: Cross multiply
    1,626,776.80x = 2,245,034.72 × 938,192.64
  4. Step 4: Simplify right side
    1,626,776.80x = 2,106,275,050,848.46
  5. Step 5: Solve for x
    x = 2,106,275,050,848.46/1,626,776.80
  6. Step 6: Final answer
    x = 1,294,753.56

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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.