Home / 1,825,839.80-2,738,759.70-477,999.80

Finding the Fourth Proportional to 1,825,839.80, 2,738,759.70 and 477,999.80

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Solution

The fourth proportional to 1,825,839.80, 2,738,759.70 and 477,999.80 is: 716,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,839.80 : 2,738,759.70 = 477,999.80 : x
  2. Step 2: Convert to fraction form
    1,825,839.80/2,738,759.70 = 477,999.80/x
  3. Step 3: Cross multiply
    1,825,839.80x = 2,738,759.70 × 477,999.80
  4. Step 4: Simplify right side
    1,825,839.80x = 1,309,126,588,848.06
  5. Step 5: Solve for x
    x = 1,309,126,588,848.06/1,825,839.80
  6. Step 6: Final answer
    x = 716,999.70

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1.5x scale

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.