Home / 1,077,343.20-1,616,004.80-412,495.20

Finding the Fourth Proportional to 1,077,343.20, 1,616,004.80 and 412,495.20

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Solution

The fourth proportional to 1,077,343.20, 1,616,004.80 and 412,495.20 is: 618,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,343.20 : 1,616,004.80 = 412,495.20 : x
  2. Step 2: Convert to fraction form
    1,077,343.20/1,616,004.80 = 412,495.20/x
  3. Step 3: Cross multiply
    1,077,343.20x = 1,616,004.80 × 412,495.20
  4. Step 4: Simplify right side
    1,077,343.20x = 666,594,223,176.96
  5. Step 5: Solve for x
    x = 666,594,223,176.96/1,077,343.20
  6. Step 6: Final answer
    x = 618,738.97

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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.