Home / 397,975.25-596,492.66-393,535.64

Finding the Fourth Proportional to 397,975.25, 596,492.66 and 393,535.64

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Solution

The fourth proportional to 397,975.25, 596,492.66 and 393,535.64 is: 589,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,975.25 : 596,492.66 = 393,535.64 : x
  2. Step 2: Convert to fraction form
    397,975.25/596,492.66 = 393,535.64/x
  3. Step 3: Cross multiply
    397,975.25x = 596,492.66 × 393,535.64
  4. Step 4: Simplify right side
    397,975.25x = 234,741,120,708.40
  5. Step 5: Solve for x
    x = 234,741,120,708.40/397,975.25
  6. Step 6: Final answer
    x = 589,838.49

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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.