Home / 1,317,618.30-1,976,427.45-654,066.30

Finding the Fourth Proportional to 1,317,618.30, 1,976,427.45 and 654,066.30

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Solution

The fourth proportional to 1,317,618.30, 1,976,427.45 and 654,066.30 is: 981,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,618.30 : 1,976,427.45 = 654,066.30 : x
  2. Step 2: Convert to fraction form
    1,317,618.30/1,976,427.45 = 654,066.30/x
  3. Step 3: Cross multiply
    1,317,618.30x = 1,976,427.45 × 654,066.30
  4. Step 4: Simplify right side
    1,317,618.30x = 1,292,714,589,439.94
  5. Step 5: Solve for x
    x = 1,292,714,589,439.94/1,317,618.30
  6. Step 6: Final answer
    x = 981,099.45

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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.