Home / 1,656,191.10-2,485,872.23-858,045.45

Finding the Fourth Proportional to 1,656,191.10, 2,485,872.23 and 858,045.45

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Solution

The fourth proportional to 1,656,191.10, 2,485,872.23 and 858,045.45 is: 1,287,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,191.10 : 2,485,872.23 = 858,045.45 : x
  2. Step 2: Convert to fraction form
    1,656,191.10/2,485,872.23 = 858,045.45/x
  3. Step 3: Cross multiply
    1,656,191.10x = 2,485,872.23 × 858,045.45
  4. Step 4: Simplify right side
    1,656,191.10x = 2,132,991,351,942.63
  5. Step 5: Solve for x
    x = 2,132,991,351,942.63/1,656,191.10
  6. Step 6: Final answer
    x = 1,287,889.64

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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.