Home / 965,606.80-1,449,965.40-729,216.40

Finding the Fourth Proportional to 965,606.80, 1,449,965.40 and 729,216.40

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Solution

The fourth proportional to 965,606.80, 1,449,965.40 and 729,216.40 is: 1,094,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,606.80 : 1,449,965.40 = 729,216.40 : x
  2. Step 2: Convert to fraction form
    965,606.80/1,449,965.40 = 729,216.40/x
  3. Step 3: Cross multiply
    965,606.80x = 1,449,965.40 × 729,216.40
  4. Step 4: Simplify right side
    965,606.80x = 1,057,338,549,112.56
  5. Step 5: Solve for x
    x = 1,057,338,549,112.56/965,606.80
  6. Step 6: Final answer
    x = 1,094,999.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.