Home / 1,191,714.60-1,785,178.47-551,120.43

Finding the Fourth Proportional to 1,191,714.60, 1,785,178.47 and 551,120.43

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Solution

The fourth proportional to 1,191,714.60, 1,785,178.47 and 551,120.43 is: 825,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,714.60 : 1,785,178.47 = 551,120.43 : x
  2. Step 2: Convert to fraction form
    1,191,714.60/1,785,178.47 = 551,120.43/x
  3. Step 3: Cross multiply
    1,191,714.60x = 1,785,178.47 × 551,120.43
  4. Step 4: Simplify right side
    1,191,714.60x = 983,848,326,013.14
  5. Step 5: Solve for x
    x = 983,848,326,013.14/1,191,714.60
  6. Step 6: Final answer
    x = 825,573.78

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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.