Home / 397,811.61-548,935.05-234,457.47

Finding the Fourth Proportional to 397,811.61, 548,935.05 and 234,457.47

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Solution

The fourth proportional to 397,811.61, 548,935.05 and 234,457.47 is: 323,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,811.61 : 548,935.05 = 234,457.47 : x
  2. Step 2: Convert to fraction form
    397,811.61/548,935.05 = 234,457.47/x
  3. Step 3: Cross multiply
    397,811.61x = 548,935.05 × 234,457.47
  4. Step 4: Simplify right side
    397,811.61x = 128,701,923,017.32
  5. Step 5: Solve for x
    x = 128,701,923,017.32/397,811.61
  6. Step 6: Final answer
    x = 323,524.80

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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.