Home / 1,173,276.84-1,618,796.25-663,968.28

Finding the Fourth Proportional to 1,173,276.84, 1,618,796.25 and 663,968.28

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Solution

The fourth proportional to 1,173,276.84, 1,618,796.25 and 663,968.28 is: 916,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,276.84 : 1,618,796.25 = 663,968.28 : x
  2. Step 2: Convert to fraction form
    1,173,276.84/1,618,796.25 = 663,968.28/x
  3. Step 3: Cross multiply
    1,173,276.84x = 1,618,796.25 × 663,968.28
  4. Step 4: Simplify right side
    1,173,276.84x = 1,074,829,361,782.95
  5. Step 5: Solve for x
    x = 1,074,829,361,782.95/1,173,276.84
  6. Step 6: Final answer
    x = 916,091.86

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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.