Home / 998,320.53-1,377,964.54-590,564.19

Finding the Fourth Proportional to 998,320.53, 1,377,964.54 and 590,564.19

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Solution

The fourth proportional to 998,320.53, 1,377,964.54 and 590,564.19 is: 815,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,320.53 : 1,377,964.54 = 590,564.19 : x
  2. Step 2: Convert to fraction form
    998,320.53/1,377,964.54 = 590,564.19/x
  3. Step 3: Cross multiply
    998,320.53x = 1,377,964.54 × 590,564.19
  4. Step 4: Simplify right side
    998,320.53x = 813,776,512,413.82
  5. Step 5: Solve for x
    x = 813,776,512,413.82/998,320.53
  6. Step 6: Final answer
    x = 815,145.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.