Home / 407,704.02-562,639.17-226,432.93

Finding the Fourth Proportional to 407,704.02, 562,639.17 and 226,432.93

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Solution

The fourth proportional to 407,704.02, 562,639.17 and 226,432.93 is: 312,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,704.02 : 562,639.17 = 226,432.93 : x
  2. Step 2: Convert to fraction form
    407,704.02/562,639.17 = 226,432.93/x
  3. Step 3: Cross multiply
    407,704.02x = 562,639.17 × 226,432.93
  4. Step 4: Simplify right side
    407,704.02x = 127,400,035,795.87
  5. Step 5: Solve for x
    x = 127,400,035,795.87/407,704.02
  6. Step 6: Final answer
    x = 312,481.68

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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.