Home / 298,943.28-448,035.72-295,779.36

Finding the Fourth Proportional to 298,943.28, 448,035.72 and 295,779.36

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Solution

The fourth proportional to 298,943.28, 448,035.72 and 295,779.36 is: 443,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,943.28 : 448,035.72 = 295,779.36 : x
  2. Step 2: Convert to fraction form
    298,943.28/448,035.72 = 295,779.36/x
  3. Step 3: Cross multiply
    298,943.28x = 448,035.72 × 295,779.36
  4. Step 4: Simplify right side
    298,943.28x = 132,519,718,518.74
  5. Step 5: Solve for x
    x = 132,519,718,518.74/298,943.28
  6. Step 6: Final answer
    x = 443,293.85

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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.