Home / 1,292,811-1,939,426.58-382,085.88

Finding the Fourth Proportional to 1,292,811, 1,939,426.58 and 382,085.88

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Solution

The fourth proportional to 1,292,811, 1,939,426.58 and 382,085.88 is: 573,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,811 : 1,939,426.58 = 382,085.88 : x
  2. Step 2: Convert to fraction form
    1,292,811/1,939,426.58 = 382,085.88/x
  3. Step 3: Cross multiply
    1,292,811x = 1,939,426.58 × 382,085.88
  4. Step 4: Simplify right side
    1,292,811x = 741,027,511,514.69
  5. Step 5: Solve for x
    x = 741,027,511,514.69/1,292,811
  6. Step 6: Final answer
    x = 573,190.91

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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.