Home / 1,143,165.36-1,714,730.20-278,610.16

Finding the Fourth Proportional to 1,143,165.36, 1,714,730.20 and 278,610.16

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Solution

The fourth proportional to 1,143,165.36, 1,714,730.20 and 278,610.16 is: 417,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,165.36 : 1,714,730.20 = 278,610.16 : x
  2. Step 2: Convert to fraction form
    1,143,165.36/1,714,730.20 = 278,610.16/x
  3. Step 3: Cross multiply
    1,143,165.36x = 1,714,730.20 × 278,610.16
  4. Step 4: Simplify right side
    1,143,165.36x = 477,741,255,378.83
  5. Step 5: Solve for x
    x = 477,741,255,378.83/1,143,165.36
  6. Step 6: Final answer
    x = 417,910.89

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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.