Home / 463,973.22-640,272.38-270,368.60

Finding the Fourth Proportional to 463,973.22, 640,272.38 and 270,368.60

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Solution

The fourth proportional to 463,973.22, 640,272.38 and 270,368.60 is: 373,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,973.22 : 640,272.38 = 270,368.60 : x
  2. Step 2: Convert to fraction form
    463,973.22/640,272.38 = 270,368.60/x
  3. Step 3: Cross multiply
    463,973.22x = 640,272.38 × 270,368.60
  4. Step 4: Simplify right side
    463,973.22x = 173,109,546,999.27
  5. Step 5: Solve for x
    x = 173,109,546,999.27/463,973.22
  6. Step 6: Final answer
    x = 373,102.45

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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.