Home / 657,045.41-985,576.01-257,874.17

Finding the Fourth Proportional to 657,045.41, 985,576.01 and 257,874.17

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Solution

The fourth proportional to 657,045.41, 985,576.01 and 257,874.17 is: 386,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,045.41 : 985,576.01 = 257,874.17 : x
  2. Step 2: Convert to fraction form
    657,045.41/985,576.01 = 257,874.17/x
  3. Step 3: Cross multiply
    657,045.41x = 985,576.01 × 257,874.17
  4. Step 4: Simplify right side
    657,045.41x = 254,154,589,333.41
  5. Step 5: Solve for x
    x = 254,154,589,333.41/657,045.41
  6. Step 6: Final answer
    x = 386,814.35

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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.