Home / 1,219,323.39-1,682,644.21-675,457.53

Finding the Fourth Proportional to 1,219,323.39, 1,682,644.21 and 675,457.53

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Solution

The fourth proportional to 1,219,323.39, 1,682,644.21 and 675,457.53 is: 932,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,323.39 : 1,682,644.21 = 675,457.53 : x
  2. Step 2: Convert to fraction form
    1,219,323.39/1,682,644.21 = 675,457.53/x
  3. Step 3: Cross multiply
    1,219,323.39x = 1,682,644.21 × 675,457.53
  4. Step 4: Simplify right side
    1,219,323.39x = 1,136,554,701,955.40
  5. Step 5: Solve for x
    x = 1,136,554,701,955.40/1,219,323.39
  6. Step 6: Final answer
    x = 932,119.17

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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.