Home / 1,112,336.90-1,535,066.25-628,873.21

Finding the Fourth Proportional to 1,112,336.90, 1,535,066.25 and 628,873.21

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Solution

The fourth proportional to 1,112,336.90, 1,535,066.25 and 628,873.21 is: 867,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,336.90 : 1,535,066.25 = 628,873.21 : x
  2. Step 2: Convert to fraction form
    1,112,336.90/1,535,066.25 = 628,873.21/x
  3. Step 3: Cross multiply
    1,112,336.90x = 1,535,066.25 × 628,873.21
  4. Step 4: Simplify right side
    1,112,336.90x = 965,362,032,524.83
  5. Step 5: Solve for x
    x = 965,362,032,524.83/1,112,336.90
  6. Step 6: Final answer
    x = 867,868.39

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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.