Home / 1,185,793.15-1,636,394.19-641,928.54

Finding the Fourth Proportional to 1,185,793.15, 1,636,394.19 and 641,928.54

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Solution

The fourth proportional to 1,185,793.15, 1,636,394.19 and 641,928.54 is: 885,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,793.15 : 1,636,394.19 = 641,928.54 : x
  2. Step 2: Convert to fraction form
    1,185,793.15/1,636,394.19 = 641,928.54/x
  3. Step 3: Cross multiply
    1,185,793.15x = 1,636,394.19 × 641,928.54
  4. Step 4: Simplify right side
    1,185,793.15x = 1,050,448,133,251.18
  5. Step 5: Solve for x
    x = 1,050,448,133,251.18/1,185,793.15
  6. Step 6: Final answer
    x = 885,861.19

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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.