Home / 1,116,736.84-1,540,977.78-657,824.32

Finding the Fourth Proportional to 1,116,736.84, 1,540,977.78 and 657,824.32

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Solution

The fourth proportional to 1,116,736.84, 1,540,977.78 and 657,824.32 is: 907,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,736.84 : 1,540,977.78 = 657,824.32 : x
  2. Step 2: Convert to fraction form
    1,116,736.84/1,540,977.78 = 657,824.32/x
  3. Step 3: Cross multiply
    1,116,736.84x = 1,540,977.78 × 657,824.32
  4. Step 4: Simplify right side
    1,116,736.84x = 1,013,692,660,263.61
  5. Step 5: Solve for x
    x = 1,013,692,660,263.61/1,116,736.84
  6. Step 6: Final answer
    x = 907,727.43

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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.