Home / 407,268.33-562,023.93-223,508.49

Finding the Fourth Proportional to 407,268.33, 562,023.93 and 223,508.49

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Solution

The fourth proportional to 407,268.33, 562,023.93 and 223,508.49 is: 308,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,268.33 : 562,023.93 = 223,508.49 : x
  2. Step 2: Convert to fraction form
    407,268.33/562,023.93 = 223,508.49/x
  3. Step 3: Cross multiply
    407,268.33x = 562,023.93 × 223,508.49
  4. Step 4: Simplify right side
    407,268.33x = 125,617,119,938.17
  5. Step 5: Solve for x
    x = 125,617,119,938.17/407,268.33
  6. Step 6: Final answer
    x = 308,438.22

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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.