Home / 783,556.40-1,175,334.60-736,317.20

Finding the Fourth Proportional to 783,556.40, 1,175,334.60 and 736,317.20

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Solution

The fourth proportional to 783,556.40, 1,175,334.60 and 736,317.20 is: 1,104,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,556.40 : 1,175,334.60 = 736,317.20 : x
  2. Step 2: Convert to fraction form
    783,556.40/1,175,334.60 = 736,317.20/x
  3. Step 3: Cross multiply
    783,556.40x = 1,175,334.60 × 736,317.20
  4. Step 4: Simplify right side
    783,556.40x = 865,419,081,735.12
  5. Step 5: Solve for x
    x = 865,419,081,735.12/783,556.40
  6. Step 6: Final answer
    x = 1,104,475.80

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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.