Home / 1,398,016.05-2,097,003.01-628,970.66

Finding the Fourth Proportional to 1,398,016.05, 2,097,003.01 and 628,970.66

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Solution

The fourth proportional to 1,398,016.05, 2,097,003.01 and 628,970.66 is: 943,446.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,016.05 : 2,097,003.01 = 628,970.66 : x
  2. Step 2: Convert to fraction form
    1,398,016.05/2,097,003.01 = 628,970.66/x
  3. Step 3: Cross multiply
    1,398,016.05x = 2,097,003.01 × 628,970.66
  4. Step 4: Simplify right side
    1,398,016.05x = 1,318,953,355,164.25
  5. Step 5: Solve for x
    x = 1,318,953,355,164.25/1,398,016.05
  6. Step 6: Final answer
    x = 943,446.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.