Home / 1,239,413.60-1,858,522.01-519,561.95

Finding the Fourth Proportional to 1,239,413.60, 1,858,522.01 and 519,561.95

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Solution

The fourth proportional to 1,239,413.60, 1,858,522.01 and 519,561.95 is: 779,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,413.60 : 1,858,522.01 = 519,561.95 : x
  2. Step 2: Convert to fraction form
    1,239,413.60/1,858,522.01 = 519,561.95/x
  3. Step 3: Cross multiply
    1,239,413.60x = 1,858,522.01 × 519,561.95
  4. Step 4: Simplify right side
    1,239,413.60x = 965,617,319,633.52
  5. Step 5: Solve for x
    x = 965,617,319,633.52/1,239,413.60
  6. Step 6: Final answer
    x = 779,092.08

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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.