Home / 1,021,771.05-1,410,630.96-678,073.06

Finding the Fourth Proportional to 1,021,771.05, 1,410,630.96 and 678,073.06

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Solution

The fourth proportional to 1,021,771.05, 1,410,630.96 and 678,073.06 is: 936,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,771.05 : 1,410,630.96 = 678,073.06 : x
  2. Step 2: Convert to fraction form
    1,021,771.05/1,410,630.96 = 678,073.06/x
  3. Step 3: Cross multiply
    1,021,771.05x = 1,410,630.96 × 678,073.06
  4. Step 4: Simplify right side
    1,021,771.05x = 956,510,851,577.94
  5. Step 5: Solve for x
    x = 956,510,851,577.94/1,021,771.05
  6. Step 6: Final answer
    x = 936,130.31

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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.