Home / 657,052.17-985,684.77-257,476.29

Finding the Fourth Proportional to 657,052.17, 985,684.77 and 257,476.29

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Solution

The fourth proportional to 657,052.17, 985,684.77 and 257,476.29 is: 386,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,052.17 : 985,684.77 = 257,476.29 : x
  2. Step 2: Convert to fraction form
    657,052.17/985,684.77 = 257,476.29/x
  3. Step 3: Cross multiply
    657,052.17x = 985,684.77 × 257,476.29
  4. Step 4: Simplify right side
    657,052.17x = 253,790,457,689.10
  5. Step 5: Solve for x
    x = 253,790,457,689.10/657,052.17
  6. Step 6: Final answer
    x = 386,256.17

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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.