Home / 768,157.96-1,060,052.26-423,993.82

Finding the Fourth Proportional to 768,157.96, 1,060,052.26 and 423,993.82

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Solution

The fourth proportional to 768,157.96, 1,060,052.26 and 423,993.82 is: 585,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,157.96 : 1,060,052.26 = 423,993.82 : x
  2. Step 2: Convert to fraction form
    768,157.96/1,060,052.26 = 423,993.82/x
  3. Step 3: Cross multiply
    768,157.96x = 1,060,052.26 × 423,993.82
  4. Step 4: Simplify right side
    768,157.96x = 449,455,607,117.03
  5. Step 5: Solve for x
    x = 449,455,607,117.03/768,157.96
  6. Step 6: Final answer
    x = 585,108.31

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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.