Home / 477,986.06-716,975.89-193,672.41

Finding the Fourth Proportional to 477,986.06, 716,975.89 and 193,672.41

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Solution

The fourth proportional to 477,986.06, 716,975.89 and 193,672.41 is: 290,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,986.06 : 716,975.89 = 193,672.41 : x
  2. Step 2: Convert to fraction form
    477,986.06/716,975.89 = 193,672.41/x
  3. Step 3: Cross multiply
    477,986.06x = 716,975.89 × 193,672.41
  4. Step 4: Simplify right side
    477,986.06x = 138,858,448,528.20
  5. Step 5: Solve for x
    x = 138,858,448,528.20/477,986.06
  6. Step 6: Final answer
    x = 290,507.32

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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.