Home / 855,582.57-1,284,635.46-477,242.51

Finding the Fourth Proportional to 855,582.57, 1,284,635.46 and 477,242.51

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Solution

The fourth proportional to 855,582.57, 1,284,635.46 and 477,242.51 is: 716,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,582.57 : 1,284,635.46 = 477,242.51 : x
  2. Step 2: Convert to fraction form
    855,582.57/1,284,635.46 = 477,242.51/x
  3. Step 3: Cross multiply
    855,582.57x = 1,284,635.46 × 477,242.51
  4. Step 4: Simplify right side
    855,582.57x = 613,082,644,942.23
  5. Step 5: Solve for x
    x = 613,082,644,942.23/855,582.57
  6. Step 6: Final answer
    x = 716,567.48

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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.