Home / 1,205,206.46-1,663,180.30-661,351.34

Finding the Fourth Proportional to 1,205,206.46, 1,663,180.30 and 661,351.34

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Solution

The fourth proportional to 1,205,206.46, 1,663,180.30 and 661,351.34 is: 912,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,206.46 : 1,663,180.30 = 661,351.34 : x
  2. Step 2: Convert to fraction form
    1,205,206.46/1,663,180.30 = 661,351.34/x
  3. Step 3: Cross multiply
    1,205,206.46x = 1,663,180.30 × 661,351.34
  4. Step 4: Simplify right side
    1,205,206.46x = 1,099,946,520,066.60
  5. Step 5: Solve for x
    x = 1,099,946,520,066.60/1,205,206.46
  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.