Home / 448,129.22-618,410.38-244,181.55

Finding the Fourth Proportional to 448,129.22, 618,410.38 and 244,181.55

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Solution

The fourth proportional to 448,129.22, 618,410.38 and 244,181.55 is: 336,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,129.22 : 618,410.38 = 244,181.55 : x
  2. Step 2: Convert to fraction form
    448,129.22/618,410.38 = 244,181.55/x
  3. Step 3: Cross multiply
    448,129.22x = 618,410.38 × 244,181.55
  4. Step 4: Simplify right side
    448,129.22x = 151,004,403,903.58
  5. Step 5: Solve for x
    x = 151,004,403,903.58/448,129.22
  6. Step 6: Final answer
    x = 336,966.21

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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.