Home / 1,326,676.59-1,986,048.59-812,722.68

Finding the Fourth Proportional to 1,326,676.59, 1,986,048.59 and 812,722.68

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Solution

The fourth proportional to 1,326,676.59, 1,986,048.59 and 812,722.68 is: 1,216,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,676.59 : 1,986,048.59 = 812,722.68 : x
  2. Step 2: Convert to fraction form
    1,326,676.59/1,986,048.59 = 812,722.68/x
  3. Step 3: Cross multiply
    1,326,676.59x = 1,986,048.59 × 812,722.68
  4. Step 4: Simplify right side
    1,326,676.59x = 1,614,106,728,611.41
  5. Step 5: Solve for x
    x = 1,614,106,728,611.41/1,326,676.59
  6. Step 6: Final answer
    x = 1,216,654.26

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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.