Home / 354,286.08-531,516.60-291,825.36

Finding the Fourth Proportional to 354,286.08, 531,516.60 and 291,825.36

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Solution

The fourth proportional to 354,286.08, 531,516.60 and 291,825.36 is: 437,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,286.08 : 531,516.60 = 291,825.36 : x
  2. Step 2: Convert to fraction form
    354,286.08/531,516.60 = 291,825.36/x
  3. Step 3: Cross multiply
    354,286.08x = 531,516.60 × 291,825.36
  4. Step 4: Simplify right side
    354,286.08x = 155,110,023,140.98
  5. Step 5: Solve for x
    x = 155,110,023,140.98/354,286.08
  6. Step 6: Final answer
    x = 437,810.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.