Home / 1,174,920.75-1,621,392.26-665,657.55

Finding the Fourth Proportional to 1,174,920.75, 1,621,392.26 and 665,657.55

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Solution

The fourth proportional to 1,174,920.75, 1,621,392.26 and 665,657.55 is: 918,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,920.75 : 1,621,392.26 = 665,657.55 : x
  2. Step 2: Convert to fraction form
    1,174,920.75/1,621,392.26 = 665,657.55/x
  3. Step 3: Cross multiply
    1,174,920.75x = 1,621,392.26 × 665,657.55
  4. Step 4: Simplify right side
    1,174,920.75x = 1,079,291,996,052.28
  5. Step 5: Solve for x
    x = 1,079,291,996,052.28/1,174,920.75
  6. Step 6: Final answer
    x = 918,608.34

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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.