Home / 878,091.66-1,211,968.95-571,634.27

Finding the Fourth Proportional to 878,091.66, 1,211,968.95 and 571,634.27

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Solution

The fourth proportional to 878,091.66, 1,211,968.95 and 571,634.27 is: 788,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,091.66 : 1,211,968.95 = 571,634.27 : x
  2. Step 2: Convert to fraction form
    878,091.66/1,211,968.95 = 571,634.27/x
  3. Step 3: Cross multiply
    878,091.66x = 1,211,968.95 × 571,634.27
  4. Step 4: Simplify right side
    878,091.66x = 692,802,979,936.07
  5. Step 5: Solve for x
    x = 692,802,979,936.07/878,091.66
  6. Step 6: Final answer
    x = 788,987.09

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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.