Home / 783,971.54-1,081,777.15-439,794.30

Finding the Fourth Proportional to 783,971.54, 1,081,777.15 and 439,794.30

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Solution

The fourth proportional to 783,971.54, 1,081,777.15 and 439,794.30 is: 606,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,971.54 : 1,081,777.15 = 439,794.30 : x
  2. Step 2: Convert to fraction form
    783,971.54/1,081,777.15 = 439,794.30/x
  3. Step 3: Cross multiply
    783,971.54x = 1,081,777.15 × 439,794.30
  4. Step 4: Simplify right side
    783,971.54x = 475,759,420,203.49
  5. Step 5: Solve for x
    x = 475,759,420,203.49/783,971.54
  6. Step 6: Final answer
    x = 606,858.03

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1.5x scale

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.