Home / 1,336,560.56-2,004,807.48-389,939.60

Finding the Fourth Proportional to 1,336,560.56, 2,004,807.48 and 389,939.60

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Solution

The fourth proportional to 1,336,560.56, 2,004,807.48 and 389,939.60 is: 584,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,560.56 : 2,004,807.48 = 389,939.60 : x
  2. Step 2: Convert to fraction form
    1,336,560.56/2,004,807.48 = 389,939.60/x
  3. Step 3: Cross multiply
    1,336,560.56x = 2,004,807.48 × 389,939.60
  4. Step 4: Simplify right side
    1,336,560.56x = 781,753,826,828.21
  5. Step 5: Solve for x
    x = 781,753,826,828.21/1,336,560.56
  6. Step 6: Final answer
    x = 584,899.67

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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.