Home / 958,387.40-1,322,999.70-619,021.16

Finding the Fourth Proportional to 958,387.40, 1,322,999.70 and 619,021.16

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Solution

The fourth proportional to 958,387.40, 1,322,999.70 and 619,021.16 is: 854,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,387.40 : 1,322,999.70 = 619,021.16 : x
  2. Step 2: Convert to fraction form
    958,387.40/1,322,999.70 = 619,021.16/x
  3. Step 3: Cross multiply
    958,387.40x = 1,322,999.70 × 619,021.16
  4. Step 4: Simplify right side
    958,387.40x = 818,964,808,973.65
  5. Step 5: Solve for x
    x = 818,964,808,973.65/958,387.40
  6. Step 6: Final answer
    x = 854,523.76

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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.