Home / 1,400,517.60-2,100,776.40-1,276,514.70

Finding the Fourth Proportional to 1,400,517.60, 2,100,776.40 and 1,276,514.70

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Solution

The fourth proportional to 1,400,517.60, 2,100,776.40 and 1,276,514.70 is: 1,914,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,517.60 : 2,100,776.40 = 1,276,514.70 : x
  2. Step 2: Convert to fraction form
    1,400,517.60/2,100,776.40 = 1,276,514.70/x
  3. Step 3: Cross multiply
    1,400,517.60x = 2,100,776.40 × 1,276,514.70
  4. Step 4: Simplify right side
    1,400,517.60x = 2,681,671,956,013.08
  5. Step 5: Solve for x
    x = 2,681,671,956,013.08/1,400,517.60
  6. Step 6: Final answer
    x = 1,914,772.05

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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.