Home / 521,450.78-719,552.31-414,280.22

Finding the Fourth Proportional to 521,450.78, 719,552.31 and 414,280.22

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Solution

The fourth proportional to 521,450.78, 719,552.31 and 414,280.22 is: 571,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,450.78 : 719,552.31 = 414,280.22 : x
  2. Step 2: Convert to fraction form
    521,450.78/719,552.31 = 414,280.22/x
  3. Step 3: Cross multiply
    521,450.78x = 719,552.31 × 414,280.22
  4. Step 4: Simplify right side
    521,450.78x = 298,096,289,288.31
  5. Step 5: Solve for x
    x = 298,096,289,288.31/521,450.78
  6. Step 6: Final answer
    x = 571,667.17

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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.