Home / 298,728.50-412,056.92-177,779.49

Finding the Fourth Proportional to 298,728.50, 412,056.92 and 177,779.49

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Solution

The fourth proportional to 298,728.50, 412,056.92 and 177,779.49 is: 245,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,728.50 : 412,056.92 = 177,779.49 : x
  2. Step 2: Convert to fraction form
    298,728.50/412,056.92 = 177,779.49/x
  3. Step 3: Cross multiply
    298,728.50x = 412,056.92 × 177,779.49
  4. Step 4: Simplify right side
    298,728.50x = 73,255,268,199.67
  5. Step 5: Solve for x
    x = 73,255,268,199.67/298,728.50
  6. Step 6: Final answer
    x = 245,223.57

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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.