Home / 998,214.12-1,378,200.58-590,446.94

Finding the Fourth Proportional to 998,214.12, 1,378,200.58 and 590,446.94

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Solution

The fourth proportional to 998,214.12, 1,378,200.58 and 590,446.94 is: 815,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,214.12 : 1,378,200.58 = 590,446.94 : x
  2. Step 2: Convert to fraction form
    998,214.12/1,378,200.58 = 590,446.94/x
  3. Step 3: Cross multiply
    998,214.12x = 1,378,200.58 × 590,446.94
  4. Step 4: Simplify right side
    998,214.12x = 813,754,322,580.22
  5. Step 5: Solve for x
    x = 813,754,322,580.22/998,214.12
  6. Step 6: Final answer
    x = 815,210.19

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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.