Home / 738,930.80-1,019,735.83-432,933.96

Finding the Fourth Proportional to 738,930.80, 1,019,735.83 and 432,933.96

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Solution

The fourth proportional to 738,930.80, 1,019,735.83 and 432,933.96 is: 597,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,930.80 : 1,019,735.83 = 432,933.96 : x
  2. Step 2: Convert to fraction form
    738,930.80/1,019,735.83 = 432,933.96/x
  3. Step 3: Cross multiply
    738,930.80x = 1,019,735.83 × 432,933.96
  4. Step 4: Simplify right side
    738,930.80x = 441,478,269,953.45
  5. Step 5: Solve for x
    x = 441,478,269,953.45/738,930.80
  6. Step 6: Final answer
    x = 597,455.50

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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.