Home / 1,112,418.54-1,535,169.96-628,973.31

Finding the Fourth Proportional to 1,112,418.54, 1,535,169.96 and 628,973.31

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Solution

The fourth proportional to 1,112,418.54, 1,535,169.96 and 628,973.31 is: 868,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,418.54 : 1,535,169.96 = 628,973.31 : x
  2. Step 2: Convert to fraction form
    1,112,418.54/1,535,169.96 = 628,973.31/x
  3. Step 3: Cross multiply
    1,112,418.54x = 1,535,169.96 × 628,973.31
  4. Step 4: Simplify right side
    1,112,418.54x = 965,580,931,153.77
  5. Step 5: Solve for x
    x = 965,580,931,153.77/1,112,418.54
  6. Step 6: Final answer
    x = 868,001.47

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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.