Home / 1,317,591.83-1,817,546.42-766,247.18

Finding the Fourth Proportional to 1,317,591.83, 1,817,546.42 and 766,247.18

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Solution

The fourth proportional to 1,317,591.83, 1,817,546.42 and 766,247.18 is: 1,056,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,591.83 : 1,817,546.42 = 766,247.18 : x
  2. Step 2: Convert to fraction form
    1,317,591.83/1,817,546.42 = 766,247.18/x
  3. Step 3: Cross multiply
    1,317,591.83x = 1,817,546.42 × 766,247.18
  4. Step 4: Simplify right side
    1,317,591.83x = 1,392,689,811,671.98
  5. Step 5: Solve for x
    x = 1,392,689,811,671.98/1,317,591.83
  6. Step 6: Final answer
    x = 1,056,996.39

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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.