Home / 448,143.22-618,429.67-244,195.57

Finding the Fourth Proportional to 448,143.22, 618,429.67 and 244,195.57

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Solution

The fourth proportional to 448,143.22, 618,429.67 and 244,195.57 is: 336,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,143.22 : 618,429.67 = 244,195.57 : x
  2. Step 2: Convert to fraction form
    448,143.22/618,429.67 = 244,195.57/x
  3. Step 3: Cross multiply
    448,143.22x = 618,429.67 × 244,195.57
  4. Step 4: Simplify right side
    448,143.22x = 151,017,785,770.56
  5. Step 5: Solve for x
    x = 151,017,785,770.56/448,143.22
  6. Step 6: Final answer
    x = 336,985.54

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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.