Home / 1,336,313.64-2,004,804.96-389,684.46

Finding the Fourth Proportional to 1,336,313.64, 2,004,804.96 and 389,684.46

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Solution

The fourth proportional to 1,336,313.64, 2,004,804.96 and 389,684.46 is: 584,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,313.64 : 2,004,804.96 = 389,684.46 : x
  2. Step 2: Convert to fraction form
    1,336,313.64/2,004,804.96 = 389,684.46/x
  3. Step 3: Cross multiply
    1,336,313.64x = 2,004,804.96 × 389,684.46
  4. Step 4: Simplify right side
    1,336,313.64x = 781,241,338,242.92
  5. Step 5: Solve for x
    x = 781,241,338,242.92/1,336,313.64
  6. Step 6: Final answer
    x = 584,624.23

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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.