Home / 1,149,297.69-1,586,047.73-665,897.79

Finding the Fourth Proportional to 1,149,297.69, 1,586,047.73 and 665,897.79

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Solution

The fourth proportional to 1,149,297.69, 1,586,047.73 and 665,897.79 is: 918,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,297.69 : 1,586,047.73 = 665,897.79 : x
  2. Step 2: Convert to fraction form
    1,149,297.69/1,586,047.73 = 665,897.79/x
  3. Step 3: Cross multiply
    1,149,297.69x = 1,586,047.73 × 665,897.79
  4. Step 4: Simplify right side
    1,149,297.69x = 1,056,145,674,912.03
  5. Step 5: Solve for x
    x = 1,056,145,674,912.03/1,149,297.69
  6. Step 6: Final answer
    x = 918,948.75

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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.