Home / 295,846.32-408,731.16-281,280.72

Finding the Fourth Proportional to 295,846.32, 408,731.16 and 281,280.72

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Solution

The fourth proportional to 295,846.32, 408,731.16 and 281,280.72 is: 388,607.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,846.32 : 408,731.16 = 281,280.72 : x
  2. Step 2: Convert to fraction form
    295,846.32/408,731.16 = 281,280.72/x
  3. Step 3: Cross multiply
    295,846.32x = 408,731.16 × 281,280.72
  4. Step 4: Simplify right side
    295,846.32x = 114,968,194,971.24
  5. Step 5: Solve for x
    x = 114,968,194,971.24/295,846.32
  6. Step 6: Final answer
    x = 388,607.83

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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.