Home / 407,705.02-562,640.55-226,433.93

Finding the Fourth Proportional to 407,705.02, 562,640.55 and 226,433.93

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Solution

The fourth proportional to 407,705.02, 562,640.55 and 226,433.93 is: 312,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,705.02 : 562,640.55 = 226,433.93 : x
  2. Step 2: Convert to fraction form
    407,705.02/562,640.55 = 226,433.93/x
  3. Step 3: Cross multiply
    407,705.02x = 562,640.55 × 226,433.93
  4. Step 4: Simplify right side
    407,705.02x = 127,400,910,913.86
  5. Step 5: Solve for x
    x = 127,400,910,913.86/407,705.02
  6. Step 6: Final answer
    x = 312,483.06

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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.