Home / 1,317,065.22-1,817,558.73-713,453.22

Finding the Fourth Proportional to 1,317,065.22, 1,817,558.73 and 713,453.22

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Solution

The fourth proportional to 1,317,065.22, 1,817,558.73 and 713,453.22 is: 984,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,065.22 : 1,817,558.73 = 713,453.22 : x
  2. Step 2: Convert to fraction form
    1,317,065.22/1,817,558.73 = 713,453.22/x
  3. Step 3: Cross multiply
    1,317,065.22x = 1,817,558.73 × 713,453.22
  4. Step 4: Simplify right side
    1,317,065.22x = 1,296,743,128,457.61
  5. Step 5: Solve for x
    x = 1,296,743,128,457.61/1,317,065.22
  6. Step 6: Final answer
    x = 984,570.17

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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.