Home / 842,322.36-1,263,412.55-362,530.79

Finding the Fourth Proportional to 842,322.36, 1,263,412.55 and 362,530.79

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Solution

The fourth proportional to 842,322.36, 1,263,412.55 and 362,530.79 is: 543,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,322.36 : 1,263,412.55 = 362,530.79 : x
  2. Step 2: Convert to fraction form
    842,322.36/1,263,412.55 = 362,530.79/x
  3. Step 3: Cross multiply
    842,322.36x = 1,263,412.55 × 362,530.79
  4. Step 4: Simplify right side
    842,322.36x = 458,025,941,717.70
  5. Step 5: Solve for x
    x = 458,025,941,717.70/842,322.36
  6. Step 6: Final answer
    x = 543,765.62

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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.