Home / 1,216,343.44-1,678,504.44-672,444.64

Finding the Fourth Proportional to 1,216,343.44, 1,678,504.44 and 672,444.64

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Solution

The fourth proportional to 1,216,343.44, 1,678,504.44 and 672,444.64 is: 927,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,343.44 : 1,678,504.44 = 672,444.64 : x
  2. Step 2: Convert to fraction form
    1,216,343.44/1,678,504.44 = 672,444.64/x
  3. Step 3: Cross multiply
    1,216,343.44x = 1,678,504.44 × 672,444.64
  4. Step 4: Simplify right side
    1,216,343.44x = 1,128,701,313,894.20
  5. Step 5: Solve for x
    x = 1,128,701,313,894.20/1,216,343.44
  6. Step 6: Final answer
    x = 927,946.23

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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.