Home / 1,112,216.40-1,534,799.00-628,752.71

Finding the Fourth Proportional to 1,112,216.40, 1,534,799.00 and 628,752.71

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Solution

The fourth proportional to 1,112,216.40, 1,534,799.00 and 628,752.71 is: 867,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,216.40 : 1,534,799.00 = 628,752.71 : x
  2. Step 2: Convert to fraction form
    1,112,216.40/1,534,799.00 = 628,752.71/x
  3. Step 3: Cross multiply
    1,112,216.40x = 1,534,799.00 × 628,752.71
  4. Step 4: Simplify right side
    1,112,216.40x = 965,009,035,964.17
  5. Step 5: Solve for x
    x = 965,009,035,964.17/1,112,216.40
  6. Step 6: Final answer
    x = 867,645.03

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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.