Home / 1,196,961-1,651,806.18-660,417

Finding the Fourth Proportional to 1,196,961, 1,651,806.18 and 660,417

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Solution

The fourth proportional to 1,196,961, 1,651,806.18 and 660,417 is: 911,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,961 : 1,651,806.18 = 660,417 : x
  2. Step 2: Convert to fraction form
    1,196,961/1,651,806.18 = 660,417/x
  3. Step 3: Cross multiply
    1,196,961x = 1,651,806.18 × 660,417
  4. Step 4: Simplify right side
    1,196,961x = 1,090,880,881,977.06
  5. Step 5: Solve for x
    x = 1,090,880,881,977.06/1,196,961
  6. Step 6: Final answer
    x = 911,375.46

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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.