Home / 1,769,109.20-2,653,663.80-439,413.20

Finding the Fourth Proportional to 1,769,109.20, 2,653,663.80 and 439,413.20

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Solution

The fourth proportional to 1,769,109.20, 2,653,663.80 and 439,413.20 is: 659,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,109.20 : 2,653,663.80 = 439,413.20 : x
  2. Step 2: Convert to fraction form
    1,769,109.20/2,653,663.80 = 439,413.20/x
  3. Step 3: Cross multiply
    1,769,109.20x = 2,653,663.80 × 439,413.20
  4. Step 4: Simplify right side
    1,769,109.20x = 1,166,054,902,082.16
  5. Step 5: Solve for x
    x = 1,166,054,902,082.16/1,769,109.20
  6. Step 6: Final answer
    x = 659,119.80

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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.