Home / 998,620.22-1,378,352.22-616,427.40

Finding the Fourth Proportional to 998,620.22, 1,378,352.22 and 616,427.40

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Solution

The fourth proportional to 998,620.22, 1,378,352.22 and 616,427.40 is: 850,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,620.22 : 1,378,352.22 = 616,427.40 : x
  2. Step 2: Convert to fraction form
    998,620.22/1,378,352.22 = 616,427.40/x
  3. Step 3: Cross multiply
    998,620.22x = 1,378,352.22 × 616,427.40
  4. Step 4: Simplify right side
    998,620.22x = 849,654,075,258.83
  5. Step 5: Solve for x
    x = 849,654,075,258.83/998,620.22
  6. Step 6: Final answer
    x = 850,828.03

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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.