Home / 657,183.08-985,051.56-257,749.40

Finding the Fourth Proportional to 657,183.08, 985,051.56 and 257,749.40

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Solution

The fourth proportional to 657,183.08, 985,051.56 and 257,749.40 is: 386,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,183.08 : 985,051.56 = 257,749.40 : x
  2. Step 2: Convert to fraction form
    657,183.08/985,051.56 = 257,749.40/x
  3. Step 3: Cross multiply
    657,183.08x = 985,051.56 × 257,749.40
  4. Step 4: Simplify right side
    657,183.08x = 253,896,448,559.06
  5. Step 5: Solve for x
    x = 253,896,448,559.06/657,183.08
  6. Step 6: Final answer
    x = 386,340.51

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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.