Home / 1,560,335.40-2,340,503.10-1,276,900.20

Finding the Fourth Proportional to 1,560,335.40, 2,340,503.10 and 1,276,900.20

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Solution

The fourth proportional to 1,560,335.40, 2,340,503.10 and 1,276,900.20 is: 1,915,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,335.40 : 2,340,503.10 = 1,276,900.20 : x
  2. Step 2: Convert to fraction form
    1,560,335.40/2,340,503.10 = 1,276,900.20/x
  3. Step 3: Cross multiply
    1,560,335.40x = 2,340,503.10 × 1,276,900.20
  4. Step 4: Simplify right side
    1,560,335.40x = 2,988,588,876,490.62
  5. Step 5: Solve for x
    x = 2,988,588,876,490.62/1,560,335.40
  6. Step 6: Final answer
    x = 1,915,350.30

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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.