Home / 1,533,407.28-2,297,162.97-857,438.37

Finding the Fourth Proportional to 1,533,407.28, 2,297,162.97 and 857,438.37

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Solution

The fourth proportional to 1,533,407.28, 2,297,162.97 and 857,438.37 is: 1,284,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,407.28 : 2,297,162.97 = 857,438.37 : x
  2. Step 2: Convert to fraction form
    1,533,407.28/2,297,162.97 = 857,438.37/x
  3. Step 3: Cross multiply
    1,533,407.28x = 2,297,162.97 × 857,438.37
  4. Step 4: Simplify right side
    1,533,407.28x = 1,969,675,672,621.16
  5. Step 5: Solve for x
    x = 1,969,675,672,621.16/1,533,407.28
  6. Step 6: Final answer
    x = 1,284,509.14

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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.