Home / 1,216,653.08-1,678,992.16-672,825.46

Finding the Fourth Proportional to 1,216,653.08, 1,678,992.16 and 672,825.46

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Solution

The fourth proportional to 1,216,653.08, 1,678,992.16 and 672,825.46 is: 928,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,653.08 : 1,678,992.16 = 672,825.46 : x
  2. Step 2: Convert to fraction form
    1,216,653.08/1,678,992.16 = 672,825.46/x
  3. Step 3: Cross multiply
    1,216,653.08x = 1,678,992.16 × 672,825.46
  4. Step 4: Simplify right side
    1,216,653.08x = 1,129,668,672,388.39
  5. Step 5: Solve for x
    x = 1,129,668,672,388.39/1,216,653.08
  6. Step 6: Final answer
    x = 928,505.17

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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.