Home / 879,453.77-1,213,473.59-552,577.38

Finding the Fourth Proportional to 879,453.77, 1,213,473.59 and 552,577.38

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Solution

The fourth proportional to 879,453.77, 1,213,473.59 and 552,577.38 is: 762,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,453.77 : 1,213,473.59 = 552,577.38 : x
  2. Step 2: Convert to fraction form
    879,453.77/1,213,473.59 = 552,577.38/x
  3. Step 3: Cross multiply
    879,453.77x = 1,213,473.59 × 552,577.38
  4. Step 4: Simplify right side
    879,453.77x = 670,538,057,061.39
  5. Step 5: Solve for x
    x = 670,538,057,061.39/879,453.77
  6. Step 6: Final answer
    x = 762,448.33

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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.