Home / 1,228,714.24-1,695,633.53-684,884.50

Finding the Fourth Proportional to 1,228,714.24, 1,695,633.53 and 684,884.50

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Solution

The fourth proportional to 1,228,714.24, 1,695,633.53 and 684,884.50 is: 945,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,714.24 : 1,695,633.53 = 684,884.50 : x
  2. Step 2: Convert to fraction form
    1,228,714.24/1,695,633.53 = 684,884.50/x
  3. Step 3: Cross multiply
    1,228,714.24x = 1,695,633.53 × 684,884.50
  4. Step 4: Simplify right side
    1,228,714.24x = 1,161,313,122,377.28
  5. Step 5: Solve for x
    x = 1,161,313,122,377.28/1,228,714.24
  6. Step 6: Final answer
    x = 945,145.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.