Home / 463,918.62-640,196.76-272,944.26

Finding the Fourth Proportional to 463,918.62, 640,196.76 and 272,944.26

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Solution

The fourth proportional to 463,918.62, 640,196.76 and 272,944.26 is: 376,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,918.62 : 640,196.76 = 272,944.26 : x
  2. Step 2: Convert to fraction form
    463,918.62/640,196.76 = 272,944.26/x
  3. Step 3: Cross multiply
    463,918.62x = 640,196.76 × 272,944.26
  4. Step 4: Simplify right side
    463,918.62x = 174,738,030,912.60
  5. Step 5: Solve for x
    x = 174,738,030,912.60/463,918.62
  6. Step 6: Final answer
    x = 376,656.64

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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.