Home / 939,171.44-1,408,705.32-686,710.64

Finding the Fourth Proportional to 939,171.44, 1,408,705.32 and 686,710.64

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Solution

The fourth proportional to 939,171.44, 1,408,705.32 and 686,710.64 is: 1,030,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,171.44 : 1,408,705.32 = 686,710.64 : x
  2. Step 2: Convert to fraction form
    939,171.44/1,408,705.32 = 686,710.64/x
  3. Step 3: Cross multiply
    939,171.44x = 1,408,705.32 × 686,710.64
  4. Step 4: Simplify right side
    939,171.44x = 967,372,931,868.61
  5. Step 5: Solve for x
    x = 967,372,931,868.61/939,171.44
  6. Step 6: Final answer
    x = 1,030,028.06

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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.