Home / 878,858.25-1,212,953.82-556,598.31

Finding the Fourth Proportional to 878,858.25, 1,212,953.82 and 556,598.31

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Solution

The fourth proportional to 878,858.25, 1,212,953.82 and 556,598.31 is: 768,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,858.25 : 1,212,953.82 = 556,598.31 : x
  2. Step 2: Convert to fraction form
    878,858.25/1,212,953.82 = 556,598.31/x
  3. Step 3: Cross multiply
    878,858.25x = 1,212,953.82 × 556,598.31
  4. Step 4: Simplify right side
    878,858.25x = 675,128,046,320.04
  5. Step 5: Solve for x
    x = 675,128,046,320.04/878,858.25
  6. Step 6: Final answer
    x = 768,187.64

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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.