Home / 1,239,413.04-1,858,521.17-519,561.39

Finding the Fourth Proportional to 1,239,413.04, 1,858,521.17 and 519,561.39

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Solution

The fourth proportional to 1,239,413.04, 1,858,521.17 and 519,561.39 is: 779,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,413.04 : 1,858,521.17 = 519,561.39 : x
  2. Step 2: Convert to fraction form
    1,239,413.04/1,858,521.17 = 519,561.39/x
  3. Step 3: Cross multiply
    1,239,413.04x = 1,858,521.17 × 519,561.39
  4. Step 4: Simplify right side
    1,239,413.04x = 965,615,830,539.21
  5. Step 5: Solve for x
    x = 965,615,830,539.21/1,239,413.04
  6. Step 6: Final answer
    x = 779,091.23

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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.