Home / 1,560,886.20-2,340,378.90-613,121.40

Finding the Fourth Proportional to 1,560,886.20, 2,340,378.90 and 613,121.40

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Solution

The fourth proportional to 1,560,886.20, 2,340,378.90 and 613,121.40 is: 919,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,886.20 : 2,340,378.90 = 613,121.40 : x
  2. Step 2: Convert to fraction form
    1,560,886.20/2,340,378.90 = 613,121.40/x
  3. Step 3: Cross multiply
    1,560,886.20x = 2,340,378.90 × 613,121.40
  4. Step 4: Simplify right side
    1,560,886.20x = 1,434,936,387,698.46
  5. Step 5: Solve for x
    x = 1,434,936,387,698.46/1,560,886.20
  6. Step 6: Final answer
    x = 919,308.78

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1.5x scale

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.