Home / 916,533.80-1,372,035.90-805,941.80

Finding the Fourth Proportional to 916,533.80, 1,372,035.90 and 805,941.80

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Solution

The fourth proportional to 916,533.80, 1,372,035.90 and 805,941.80 is: 1,206,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,533.80 : 1,372,035.90 = 805,941.80 : x
  2. Step 2: Convert to fraction form
    916,533.80/1,372,035.90 = 805,941.80/x
  3. Step 3: Cross multiply
    916,533.80x = 1,372,035.90 × 805,941.80
  4. Step 4: Simplify right side
    916,533.80x = 1,105,781,082,910.62
  5. Step 5: Solve for x
    x = 1,105,781,082,910.62/916,533.80
  6. Step 6: Final answer
    x = 1,206,481.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.