Home / 481,762.68-664,837.23-266,905.72

Finding the Fourth Proportional to 481,762.68, 664,837.23 and 266,905.72

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Solution

The fourth proportional to 481,762.68, 664,837.23 and 266,905.72 is: 368,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,762.68 : 664,837.23 = 266,905.72 : x
  2. Step 2: Convert to fraction form
    481,762.68/664,837.23 = 266,905.72/x
  3. Step 3: Cross multiply
    481,762.68x = 664,837.23 × 266,905.72
  4. Step 4: Simplify right side
    481,762.68x = 177,448,859,555.96
  5. Step 5: Solve for x
    x = 177,448,859,555.96/481,762.68
  6. Step 6: Final answer
    x = 368,332.51

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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.