Home / 3,543,715.60-5,315,573.40-1,300,728.40

Finding the Fourth Proportional to 3,543,715.60, 5,315,573.40 and 1,300,728.40

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Solution

The fourth proportional to 3,543,715.60, 5,315,573.40 and 1,300,728.40 is: 1,951,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,715.60 : 5,315,573.40 = 1,300,728.40 : x
  2. Step 2: Convert to fraction form
    3,543,715.60/5,315,573.40 = 1,300,728.40/x
  3. Step 3: Cross multiply
    3,543,715.60x = 5,315,573.40 × 1,300,728.40
  4. Step 4: Simplify right side
    3,543,715.60x = 6,914,117,283,664.56
  5. Step 5: Solve for x
    x = 6,914,117,283,664.56/3,543,715.60
  6. Step 6: Final answer
    x = 1,951,092.60

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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.