Home / 1,126,668.80-1,689,826.40-368,504.16

Finding the Fourth Proportional to 1,126,668.80, 1,689,826.40 and 368,504.16

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Solution

The fourth proportional to 1,126,668.80, 1,689,826.40 and 368,504.16 is: 552,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,668.80 : 1,689,826.40 = 368,504.16 : x
  2. Step 2: Convert to fraction form
    1,126,668.80/1,689,826.40 = 368,504.16/x
  3. Step 3: Cross multiply
    1,126,668.80x = 1,689,826.40 × 368,504.16
  4. Step 4: Simplify right side
    1,126,668.80x = 622,708,058,077.82
  5. Step 5: Solve for x
    x = 622,708,058,077.82/1,126,668.80
  6. Step 6: Final answer
    x = 552,698.41

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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.