Home / 1,205,206.44-1,663,180.32-661,351.32

Finding the Fourth Proportional to 1,205,206.44, 1,663,180.32 and 661,351.32

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Solution

The fourth proportional to 1,205,206.44, 1,663,180.32 and 661,351.32 is: 912,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,206.44 : 1,663,180.32 = 661,351.32 : x
  2. Step 2: Convert to fraction form
    1,205,206.44/1,663,180.32 = 661,351.32/x
  3. Step 3: Cross multiply
    1,205,206.44x = 1,663,180.32 × 661,351.32
  4. Step 4: Simplify right side
    1,205,206.44x = 1,099,946,500,030.02
  5. Step 5: Solve for x
    x = 1,099,946,500,030.02/1,205,206.44
  6. Step 6: Final answer
    x = 912,662.32

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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.