Home / 891,866.50-1,230,769.52-483,957.96

Finding the Fourth Proportional to 891,866.50, 1,230,769.52 and 483,957.96

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Solution

The fourth proportional to 891,866.50, 1,230,769.52 and 483,957.96 is: 667,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,866.50 : 1,230,769.52 = 483,957.96 : x
  2. Step 2: Convert to fraction form
    891,866.50/1,230,769.52 = 483,957.96/x
  3. Step 3: Cross multiply
    891,866.50x = 1,230,769.52 × 483,957.96
  4. Step 4: Simplify right side
    891,866.50x = 595,640,706,129.38
  5. Step 5: Solve for x
    x = 595,640,706,129.38/891,866.50
  6. Step 6: Final answer
    x = 667,858.59

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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.