Home / 448,277.72-618,623.46-254,685.75

Finding the Fourth Proportional to 448,277.72, 618,623.46 and 254,685.75

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Solution

The fourth proportional to 448,277.72, 618,623.46 and 254,685.75 is: 351,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,277.72 : 618,623.46 = 254,685.75 : x
  2. Step 2: Convert to fraction form
    448,277.72/618,623.46 = 254,685.75/x
  3. Step 3: Cross multiply
    448,277.72x = 618,623.46 × 254,685.75
  4. Step 4: Simplify right side
    448,277.72x = 157,554,579,877.70
  5. Step 5: Solve for x
    x = 157,554,579,877.70/448,277.72
  6. Step 6: Final answer
    x = 351,466.46

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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.