Home / 1,560,302.40-2,340,453.60-1,276,867.20

Finding the Fourth Proportional to 1,560,302.40, 2,340,453.60 and 1,276,867.20

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Solution

The fourth proportional to 1,560,302.40, 2,340,453.60 and 1,276,867.20 is: 1,915,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,302.40 : 2,340,453.60 = 1,276,867.20 : x
  2. Step 2: Convert to fraction form
    1,560,302.40/2,340,453.60 = 1,276,867.20/x
  3. Step 3: Cross multiply
    1,560,302.40x = 2,340,453.60 × 1,276,867.20
  4. Step 4: Simplify right side
    1,560,302.40x = 2,988,448,434,961.92
  5. Step 5: Solve for x
    x = 2,988,448,434,961.92/1,560,302.40
  6. Step 6: Final answer
    x = 1,915,300.80

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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.