Home / 591,769.41-816,938.75-388,132.37

Finding the Fourth Proportional to 591,769.41, 816,938.75 and 388,132.37

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Solution

The fourth proportional to 591,769.41, 816,938.75 and 388,132.37 is: 535,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,769.41 : 816,938.75 = 388,132.37 : x
  2. Step 2: Convert to fraction form
    591,769.41/816,938.75 = 388,132.37/x
  3. Step 3: Cross multiply
    591,769.41x = 816,938.75 × 388,132.37
  4. Step 4: Simplify right side
    591,769.41x = 317,080,373,182.34
  5. Step 5: Solve for x
    x = 317,080,373,182.34/591,769.41
  6. Step 6: Final answer
    x = 535,817.44

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1.5x scale

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.