Home / 1,210,666.77-1,815,369.62-451,884.29

Finding the Fourth Proportional to 1,210,666.77, 1,815,369.62 and 451,884.29

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Solution

The fourth proportional to 1,210,666.77, 1,815,369.62 and 451,884.29 is: 677,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,666.77 : 1,815,369.62 = 451,884.29 : x
  2. Step 2: Convert to fraction form
    1,210,666.77/1,815,369.62 = 451,884.29/x
  3. Step 3: Cross multiply
    1,210,666.77x = 1,815,369.62 × 451,884.29
  4. Step 4: Simplify right side
    1,210,666.77x = 820,337,000,485.00
  5. Step 5: Solve for x
    x = 820,337,000,485.00/1,210,666.77
  6. Step 6: Final answer
    x = 677,591.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.