Home / 893,405.64-1,232,911.79-485,515.56

Finding the Fourth Proportional to 893,405.64, 1,232,911.79 and 485,515.56

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Solution

The fourth proportional to 893,405.64, 1,232,911.79 and 485,515.56 is: 670,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,405.64 : 1,232,911.79 = 485,515.56 : x
  2. Step 2: Convert to fraction form
    893,405.64/1,232,911.79 = 485,515.56/x
  3. Step 3: Cross multiply
    893,405.64x = 1,232,911.79 × 485,515.56
  4. Step 4: Simplify right side
    893,405.64x = 598,597,858,152.45
  5. Step 5: Solve for x
    x = 598,597,858,152.45/893,405.64
  6. Step 6: Final answer
    x = 670,018.00

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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.