Home / 628,452.94-942,827.07-207,728.83

Finding the Fourth Proportional to 628,452.94, 942,827.07 and 207,728.83

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Solution

The fourth proportional to 628,452.94, 942,827.07 and 207,728.83 is: 311,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,452.94 : 942,827.07 = 207,728.83 : x
  2. Step 2: Convert to fraction form
    628,452.94/942,827.07 = 207,728.83/x
  3. Step 3: Cross multiply
    628,452.94x = 942,827.07 × 207,728.83
  4. Step 4: Simplify right side
    628,452.94x = 195,852,364,143.43
  5. Step 5: Solve for x
    x = 195,852,364,143.43/628,452.94
  6. Step 6: Final answer
    x = 311,642.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.