Home / 730,453.55-1,095,735.40-218,078.12

Finding the Fourth Proportional to 730,453.55, 1,095,735.40 and 218,078.12

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Solution

The fourth proportional to 730,453.55, 1,095,735.40 and 218,078.12 is: 327,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,453.55 : 1,095,735.40 = 218,078.12 : x
  2. Step 2: Convert to fraction form
    730,453.55/1,095,735.40 = 218,078.12/x
  3. Step 3: Cross multiply
    730,453.55x = 1,095,735.40 × 218,078.12
  4. Step 4: Simplify right side
    730,453.55x = 238,955,918,243.59
  5. Step 5: Solve for x
    x = 238,955,918,243.59/730,453.55
  6. Step 6: Final answer
    x = 327,133.63

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1.5x scale

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.