Home / 1,603,653.45-2,213,066.86-878,453.29

Finding the Fourth Proportional to 1,603,653.45, 2,213,066.86 and 878,453.29

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Solution

The fourth proportional to 1,603,653.45, 2,213,066.86 and 878,453.29 is: 1,212,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,653.45 : 2,213,066.86 = 878,453.29 : x
  2. Step 2: Convert to fraction form
    1,603,653.45/2,213,066.86 = 878,453.29/x
  3. Step 3: Cross multiply
    1,603,653.45x = 2,213,066.86 × 878,453.29
  4. Step 4: Simplify right side
    1,603,653.45x = 1,944,075,864,156.97
  5. Step 5: Solve for x
    x = 1,944,075,864,156.97/1,603,653.45
  6. Step 6: Final answer
    x = 1,212,279.29

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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.