Home / 1,185,796.91-1,636,400.23-641,932.68

Finding the Fourth Proportional to 1,185,796.91, 1,636,400.23 and 641,932.68

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Solution

The fourth proportional to 1,185,796.91, 1,636,400.23 and 641,932.68 is: 885,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,796.91 : 1,636,400.23 = 641,932.68 : x
  2. Step 2: Convert to fraction form
    1,185,796.91/1,636,400.23 = 641,932.68/x
  3. Step 3: Cross multiply
    1,185,796.91x = 1,636,400.23 × 641,932.68
  4. Step 4: Simplify right side
    1,185,796.91x = 1,050,458,791,940.62
  5. Step 5: Solve for x
    x = 1,050,458,791,940.62/1,185,796.91
  6. Step 6: Final answer
    x = 885,867.38

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1.5x scale

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.