Home / 958,053.71-1,322,133.27-619,112.45

Finding the Fourth Proportional to 958,053.71, 1,322,133.27 and 619,112.45

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Solution

The fourth proportional to 958,053.71, 1,322,133.27 and 619,112.45 is: 854,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,053.71 : 1,322,133.27 = 619,112.45 : x
  2. Step 2: Convert to fraction form
    958,053.71/1,322,133.27 = 619,112.45/x
  3. Step 3: Cross multiply
    958,053.71x = 1,322,133.27 × 619,112.45
  4. Step 4: Simplify right side
    958,053.71x = 818,549,168,016.21
  5. Step 5: Solve for x
    x = 818,549,168,016.21/958,053.71
  6. Step 6: Final answer
    x = 854,387.56

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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.