Home / 637,640.16-956,427.18-238,249.38

Finding the Fourth Proportional to 637,640.16, 956,427.18 and 238,249.38

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Solution

The fourth proportional to 637,640.16, 956,427.18 and 238,249.38 is: 357,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,640.16 : 956,427.18 = 238,249.38 : x
  2. Step 2: Convert to fraction form
    637,640.16/956,427.18 = 238,249.38/x
  3. Step 3: Cross multiply
    637,640.16x = 956,427.18 × 238,249.38
  4. Step 4: Simplify right side
    637,640.16x = 227,868,182,650.15
  5. Step 5: Solve for x
    x = 227,868,182,650.15/637,640.16
  6. Step 6: Final answer
    x = 357,361.72

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1.5x scale

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.