Home / 477,731.88-659,250.23-259,941.45

Finding the Fourth Proportional to 477,731.88, 659,250.23 and 259,941.45

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Solution

The fourth proportional to 477,731.88, 659,250.23 and 259,941.45 is: 358,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,731.88 : 659,250.23 = 259,941.45 : x
  2. Step 2: Convert to fraction form
    477,731.88/659,250.23 = 259,941.45/x
  3. Step 3: Cross multiply
    477,731.88x = 659,250.23 × 259,941.45
  4. Step 4: Simplify right side
    477,731.88x = 171,366,459,399.33
  5. Step 5: Solve for x
    x = 171,366,459,399.33/477,731.88
  6. Step 6: Final answer
    x = 358,708.44

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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.