Home / 1,111,538.82-1,533,903.51-628,093.50

Finding the Fourth Proportional to 1,111,538.82, 1,533,903.51 and 628,093.50

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Solution

The fourth proportional to 1,111,538.82, 1,533,903.51 and 628,093.50 is: 866,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,538.82 : 1,533,903.51 = 628,093.50 : x
  2. Step 2: Convert to fraction form
    1,111,538.82/1,533,903.51 = 628,093.50/x
  3. Step 3: Cross multiply
    1,111,538.82x = 1,533,903.51 × 628,093.50
  4. Step 4: Simplify right side
    1,111,538.82x = 963,434,824,258.19
  5. Step 5: Solve for x
    x = 963,434,824,258.19/1,111,538.82
  6. Step 6: Final answer
    x = 866,757.69

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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.