Home / 1,639,863.12-2,263,014-904,800.54

Finding the Fourth Proportional to 1,639,863.12, 2,263,014 and 904,800.54

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Solution

The fourth proportional to 1,639,863.12, 2,263,014 and 904,800.54 is: 1,248,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,863.12 : 2,263,014 = 904,800.54 : x
  2. Step 2: Convert to fraction form
    1,639,863.12/2,263,014 = 904,800.54/x
  3. Step 3: Cross multiply
    1,639,863.12x = 2,263,014 × 904,800.54
  4. Step 4: Simplify right side
    1,639,863.12x = 2,047,576,289,227.56
  5. Step 5: Solve for x
    x = 2,047,576,289,227.56/1,639,863.12
  6. Step 6: Final answer
    x = 1,248,626.34

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1.5x scale

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.