Home / 1,174,571.23-1,621,062.45-665,290.75

Finding the Fourth Proportional to 1,174,571.23, 1,621,062.45 and 665,290.75

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Solution

The fourth proportional to 1,174,571.23, 1,621,062.45 and 665,290.75 is: 918,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,571.23 : 1,621,062.45 = 665,290.75 : x
  2. Step 2: Convert to fraction form
    1,174,571.23/1,621,062.45 = 665,290.75/x
  3. Step 3: Cross multiply
    1,174,571.23x = 1,621,062.45 × 665,290.75
  4. Step 4: Simplify right side
    1,174,571.23x = 1,078,477,853,157.34
  5. Step 5: Solve for x
    x = 1,078,477,853,157.34/1,174,571.23
  6. Step 6: Final answer
    x = 918,188.55

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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.