Home / 626,560.43-864,654.38-340,080.63

Finding the Fourth Proportional to 626,560.43, 864,654.38 and 340,080.63

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Solution

The fourth proportional to 626,560.43, 864,654.38 and 340,080.63 is: 469,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,560.43 : 864,654.38 = 340,080.63 : x
  2. Step 2: Convert to fraction form
    626,560.43/864,654.38 = 340,080.63/x
  3. Step 3: Cross multiply
    626,560.43x = 864,654.38 × 340,080.63
  4. Step 4: Simplify right side
    626,560.43x = 294,052,204,582.26
  5. Step 5: Solve for x
    x = 294,052,204,582.26/626,560.43
  6. Step 6: Final answer
    x = 469,311.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.