Home / 1,218,030.52-1,827,168.66-419,206.96

Finding the Fourth Proportional to 1,218,030.52, 1,827,168.66 and 419,206.96

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Solution

The fourth proportional to 1,218,030.52, 1,827,168.66 and 419,206.96 is: 628,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,030.52 : 1,827,168.66 = 419,206.96 : x
  2. Step 2: Convert to fraction form
    1,218,030.52/1,827,168.66 = 419,206.96/x
  3. Step 3: Cross multiply
    1,218,030.52x = 1,827,168.66 × 419,206.96
  4. Step 4: Simplify right side
    1,218,030.52x = 765,961,819,365.87
  5. Step 5: Solve for x
    x = 765,961,819,365.87/1,218,030.52
  6. Step 6: Final answer
    x = 628,852.73

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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.