Home / 454,961.93-627,750.14-261,393.35

Finding the Fourth Proportional to 454,961.93, 627,750.14 and 261,393.35

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Solution

The fourth proportional to 454,961.93, 627,750.14 and 261,393.35 is: 360,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,961.93 : 627,750.14 = 261,393.35 : x
  2. Step 2: Convert to fraction form
    454,961.93/627,750.14 = 261,393.35/x
  3. Step 3: Cross multiply
    454,961.93x = 627,750.14 × 261,393.35
  4. Step 4: Simplify right side
    454,961.93x = 164,089,707,611.85
  5. Step 5: Solve for x
    x = 164,089,707,611.85/454,961.93
  6. Step 6: Final answer
    x = 360,666.90

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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.