Home / 998,089.12-1,377,396.96-545,409.28

Finding the Fourth Proportional to 998,089.12, 1,377,396.96 and 545,409.28

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Solution

The fourth proportional to 998,089.12, 1,377,396.96 and 545,409.28 is: 752,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,089.12 : 1,377,396.96 = 545,409.28 : x
  2. Step 2: Convert to fraction form
    998,089.12/1,377,396.96 = 545,409.28/x
  3. Step 3: Cross multiply
    998,089.12x = 1,377,396.96 × 545,409.28
  4. Step 4: Simplify right side
    998,089.12x = 751,245,084,227.79
  5. Step 5: Solve for x
    x = 751,245,084,227.79/998,089.12
  6. Step 6: Final answer
    x = 752,683.37

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Double scale
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1.5x scale

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.