Home / 692,467.96-1,038,816.78-243,072.28

Finding the Fourth Proportional to 692,467.96, 1,038,816.78 and 243,072.28

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Solution

The fourth proportional to 692,467.96, 1,038,816.78 and 243,072.28 is: 364,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,467.96 : 1,038,816.78 = 243,072.28 : x
  2. Step 2: Convert to fraction form
    692,467.96/1,038,816.78 = 243,072.28/x
  3. Step 3: Cross multiply
    692,467.96x = 1,038,816.78 × 243,072.28
  4. Step 4: Simplify right side
    692,467.96x = 252,507,563,216.86
  5. Step 5: Solve for x
    x = 252,507,563,216.86/692,467.96
  6. Step 6: Final answer
    x = 364,648.73

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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.