Home / 675,188.75-1,012,257.27-338,055.68

Finding the Fourth Proportional to 675,188.75, 1,012,257.27 and 338,055.68

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Solution

The fourth proportional to 675,188.75, 1,012,257.27 and 338,055.68 is: 506,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,188.75 : 1,012,257.27 = 338,055.68 : x
  2. Step 2: Convert to fraction form
    675,188.75/1,012,257.27 = 338,055.68/x
  3. Step 3: Cross multiply
    675,188.75x = 1,012,257.27 × 338,055.68
  4. Step 4: Simplify right side
    675,188.75x = 342,199,314,683.51
  5. Step 5: Solve for x
    x = 342,199,314,683.51/675,188.75
  6. Step 6: Final answer
    x = 506,820.23

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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.