Home / 765,919.33-1,056,934.57-438,997.98

Finding the Fourth Proportional to 765,919.33, 1,056,934.57 and 438,997.98

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Solution

The fourth proportional to 765,919.33, 1,056,934.57 and 438,997.98 is: 605,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,919.33 : 1,056,934.57 = 438,997.98 : x
  2. Step 2: Convert to fraction form
    765,919.33/1,056,934.57 = 438,997.98/x
  3. Step 3: Cross multiply
    765,919.33x = 1,056,934.57 × 438,997.98
  4. Step 4: Simplify right side
    765,919.33x = 463,992,141,222.17
  5. Step 5: Solve for x
    x = 463,992,141,222.17/765,919.33
  6. Step 6: Final answer
    x = 605,797.67

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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.