Home / 1,397,809.60-2,096,714.40-919,512.70

Finding the Fourth Proportional to 1,397,809.60, 2,096,714.40 and 919,512.70

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Solution

The fourth proportional to 1,397,809.60, 2,096,714.40 and 919,512.70 is: 1,379,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,809.60 : 2,096,714.40 = 919,512.70 : x
  2. Step 2: Convert to fraction form
    1,397,809.60/2,096,714.40 = 919,512.70/x
  3. Step 3: Cross multiply
    1,397,809.60x = 2,096,714.40 × 919,512.70
  4. Step 4: Simplify right side
    1,397,809.60x = 1,927,955,519,072.88
  5. Step 5: Solve for x
    x = 1,927,955,519,072.88/1,397,809.60
  6. Step 6: Final answer
    x = 1,379,269.05

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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.