Home / 657,184.10-985,352.22-257,865.21

Finding the Fourth Proportional to 657,184.10, 985,352.22 and 257,865.21

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Solution

The fourth proportional to 657,184.10, 985,352.22 and 257,865.21 is: 386,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,184.10 : 985,352.22 = 257,865.21 : x
  2. Step 2: Convert to fraction form
    657,184.10/985,352.22 = 257,865.21/x
  3. Step 3: Cross multiply
    657,184.10x = 985,352.22 × 257,865.21
  4. Step 4: Simplify right side
    657,184.10x = 254,088,057,134.27
  5. Step 5: Solve for x
    x = 254,088,057,134.27/657,184.10
  6. Step 6: Final answer
    x = 386,631.47

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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.