Home / 882,634.40-1,323,964.56-217,786.40

Finding the Fourth Proportional to 882,634.40, 1,323,964.56 and 217,786.40

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Solution

The fourth proportional to 882,634.40, 1,323,964.56 and 217,786.40 is: 326,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,634.40 : 1,323,964.56 = 217,786.40 : x
  2. Step 2: Convert to fraction form
    882,634.40/1,323,964.56 = 217,786.40/x
  3. Step 3: Cross multiply
    882,634.40x = 1,323,964.56 × 217,786.40
  4. Step 4: Simplify right side
    882,634.40x = 288,341,475,249.98
  5. Step 5: Solve for x
    x = 288,341,475,249.98/882,634.40
  6. Step 6: Final answer
    x = 326,682.80

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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.