Home / 968,477.67-1,335,570.42-641,271.51

Finding the Fourth Proportional to 968,477.67, 1,335,570.42 and 641,271.51

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Solution

The fourth proportional to 968,477.67, 1,335,570.42 and 641,271.51 is: 884,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,477.67 : 1,335,570.42 = 641,271.51 : x
  2. Step 2: Convert to fraction form
    968,477.67/1,335,570.42 = 641,271.51/x
  3. Step 3: Cross multiply
    968,477.67x = 1,335,570.42 × 641,271.51
  4. Step 4: Simplify right side
    968,477.67x = 856,463,259,944.73
  5. Step 5: Solve for x
    x = 856,463,259,944.73/968,477.67
  6. Step 6: Final answer
    x = 884,339.71

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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.