Home / 1,400,513.60-2,100,770.40-1,276,510.70

Finding the Fourth Proportional to 1,400,513.60, 2,100,770.40 and 1,276,510.70

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Solution

The fourth proportional to 1,400,513.60, 2,100,770.40 and 1,276,510.70 is: 1,914,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,513.60 : 2,100,770.40 = 1,276,510.70 : x
  2. Step 2: Convert to fraction form
    1,400,513.60/2,100,770.40 = 1,276,510.70/x
  3. Step 3: Cross multiply
    1,400,513.60x = 2,100,770.40 × 1,276,510.70
  4. Step 4: Simplify right side
    1,400,513.60x = 2,681,655,893,843.28
  5. Step 5: Solve for x
    x = 2,681,655,893,843.28/1,400,513.60
  6. Step 6: Final answer
    x = 1,914,766.05

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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.