Home / 1,185,830.04-1,636,437.94-641,961.86

Finding the Fourth Proportional to 1,185,830.04, 1,636,437.94 and 641,961.86

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Solution

The fourth proportional to 1,185,830.04, 1,636,437.94 and 641,961.86 is: 885,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,830.04 : 1,636,437.94 = 641,961.86 : x
  2. Step 2: Convert to fraction form
    1,185,830.04/1,636,437.94 = 641,961.86/x
  3. Step 3: Cross multiply
    1,185,830.04x = 1,636,437.94 × 641,961.86
  4. Step 4: Simplify right side
    1,185,830.04x = 1,050,530,743,736.97
  5. Step 5: Solve for x
    x = 1,050,530,743,736.97/1,185,830.04
  6. Step 6: Final answer
    x = 885,903.30

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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.