Home / 679,969.96-1,019,953.50-323,904.04

Finding the Fourth Proportional to 679,969.96, 1,019,953.50 and 323,904.04

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Solution

The fourth proportional to 679,969.96, 1,019,953.50 and 323,904.04 is: 485,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,969.96 : 1,019,953.50 = 323,904.04 : x
  2. Step 2: Convert to fraction form
    679,969.96/1,019,953.50 = 323,904.04/x
  3. Step 3: Cross multiply
    679,969.96x = 1,019,953.50 × 323,904.04
  4. Step 4: Simplify right side
    679,969.96x = 330,367,059,262.14
  5. Step 5: Solve for x
    x = 330,367,059,262.14/679,969.96
  6. Step 6: Final answer
    x = 485,855.37

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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.