Home / 1,556,657.36-2,334,792.72-419,508.48

Finding the Fourth Proportional to 1,556,657.36, 2,334,792.72 and 419,508.48

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Solution

The fourth proportional to 1,556,657.36, 2,334,792.72 and 419,508.48 is: 629,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,657.36 : 2,334,792.72 = 419,508.48 : x
  2. Step 2: Convert to fraction form
    1,556,657.36/2,334,792.72 = 419,508.48/x
  3. Step 3: Cross multiply
    1,556,657.36x = 2,334,792.72 × 419,508.48
  4. Step 4: Simplify right side
    1,556,657.36x = 979,465,345,082.27
  5. Step 5: Solve for x
    x = 979,465,345,082.27/1,556,657.36
  6. Step 6: Final answer
    x = 629,210.62

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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.