Home / 998,884.22-1,378,595.06-563,391.01

Finding the Fourth Proportional to 998,884.22, 1,378,595.06 and 563,391.01

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Solution

The fourth proportional to 998,884.22, 1,378,595.06 and 563,391.01 is: 777,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,884.22 : 1,378,595.06 = 563,391.01 : x
  2. Step 2: Convert to fraction form
    998,884.22/1,378,595.06 = 563,391.01/x
  3. Step 3: Cross multiply
    998,884.22x = 1,378,595.06 × 563,391.01
  4. Step 4: Simplify right side
    998,884.22x = 776,688,061,196.40
  5. Step 5: Solve for x
    x = 776,688,061,196.40/998,884.22
  6. Step 6: Final answer
    x = 777,555.64

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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.