Home / 461,018-691,799.16-194,761.28

Finding the Fourth Proportional to 461,018, 691,799.16 and 194,761.28

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Solution

The fourth proportional to 461,018, 691,799.16 and 194,761.28 is: 292,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,018 : 691,799.16 = 194,761.28 : x
  2. Step 2: Convert to fraction form
    461,018/691,799.16 = 194,761.28/x
  3. Step 3: Cross multiply
    461,018x = 691,799.16 × 194,761.28
  4. Step 4: Simplify right side
    461,018x = 134,735,689,904.53
  5. Step 5: Solve for x
    x = 134,735,689,904.53/461,018
  6. Step 6: Final answer
    x = 292,256.90

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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.