Home / 407,822.40-562,667.93-235,677.64

Finding the Fourth Proportional to 407,822.40, 562,667.93 and 235,677.64

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Solution

The fourth proportional to 407,822.40, 562,667.93 and 235,677.64 is: 325,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,822.40 : 562,667.93 = 235,677.64 : x
  2. Step 2: Convert to fraction form
    407,822.40/562,667.93 = 235,677.64/x
  3. Step 3: Cross multiply
    407,822.40x = 562,667.93 × 235,677.64
  4. Step 4: Simplify right side
    407,822.40x = 132,608,249,846.09
  5. Step 5: Solve for x
    x = 132,608,249,846.09/407,822.40
  6. Step 6: Final answer
    x = 325,161.76

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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.