Home / 876,630.10-1,314,945.15-729,007.60

Finding the Fourth Proportional to 876,630.10, 1,314,945.15 and 729,007.60

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Solution

The fourth proportional to 876,630.10, 1,314,945.15 and 729,007.60 is: 1,093,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,630.10 : 1,314,945.15 = 729,007.60 : x
  2. Step 2: Convert to fraction form
    876,630.10/1,314,945.15 = 729,007.60/x
  3. Step 3: Cross multiply
    876,630.10x = 1,314,945.15 × 729,007.60
  4. Step 4: Simplify right side
    876,630.10x = 958,605,007,933.14
  5. Step 5: Solve for x
    x = 958,605,007,933.14/876,630.10
  6. Step 6: Final answer
    x = 1,093,511.40

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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.