Home / 814,554.79-1,222,308.47-341,200.51

Finding the Fourth Proportional to 814,554.79, 1,222,308.47 and 341,200.51

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Solution

The fourth proportional to 814,554.79, 1,222,308.47 and 341,200.51 is: 512,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,554.79 : 1,222,308.47 = 341,200.51 : x
  2. Step 2: Convert to fraction form
    814,554.79/1,222,308.47 = 341,200.51/x
  3. Step 3: Cross multiply
    814,554.79x = 1,222,308.47 × 341,200.51
  4. Step 4: Simplify right side
    814,554.79x = 417,052,271,138.55
  5. Step 5: Solve for x
    x = 417,052,271,138.55/814,554.79
  6. Step 6: Final answer
    x = 512,000.27

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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.