Home / 939,883.32-1,297,064.46-510,164.28

Finding the Fourth Proportional to 939,883.32, 1,297,064.46 and 510,164.28

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Solution

The fourth proportional to 939,883.32, 1,297,064.46 and 510,164.28 is: 704,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,883.32 : 1,297,064.46 = 510,164.28 : x
  2. Step 2: Convert to fraction form
    939,883.32/1,297,064.46 = 510,164.28/x
  3. Step 3: Cross multiply
    939,883.32x = 1,297,064.46 × 510,164.28
  4. Step 4: Simplify right side
    939,883.32x = 661,715,956,349.49
  5. Step 5: Solve for x
    x = 661,715,956,349.49/939,883.32
  6. Step 6: Final answer
    x = 704,040.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.