Home / 1,166,212.38-1,609,323.36-649,938.80

Finding the Fourth Proportional to 1,166,212.38, 1,609,323.36 and 649,938.80

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Solution

The fourth proportional to 1,166,212.38, 1,609,323.36 and 649,938.80 is: 896,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,212.38 : 1,609,323.36 = 649,938.80 : x
  2. Step 2: Convert to fraction form
    1,166,212.38/1,609,323.36 = 649,938.80/x
  3. Step 3: Cross multiply
    1,166,212.38x = 1,609,323.36 × 649,938.80
  4. Step 4: Simplify right side
    1,166,212.38x = 1,045,961,693,410.37
  5. Step 5: Solve for x
    x = 1,045,961,693,410.37/1,166,212.38
  6. Step 6: Final answer
    x = 896,887.83

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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.