Home / 1,029,850.64-1,544,564.84-389,933.61

Finding the Fourth Proportional to 1,029,850.64, 1,544,564.84 and 389,933.61

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Solution

The fourth proportional to 1,029,850.64, 1,544,564.84 and 389,933.61 is: 584,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,850.64 : 1,544,564.84 = 389,933.61 : x
  2. Step 2: Convert to fraction form
    1,029,850.64/1,544,564.84 = 389,933.61/x
  3. Step 3: Cross multiply
    1,029,850.64x = 1,544,564.84 × 389,933.61
  4. Step 4: Simplify right side
    1,029,850.64x = 602,277,741,990.60
  5. Step 5: Solve for x
    x = 602,277,741,990.60/1,029,850.64
  6. Step 6: Final answer
    x = 584,820.48

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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.