Home / 481,756.95-664,823.30-266,897.16

Finding the Fourth Proportional to 481,756.95, 664,823.30 and 266,897.16

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Solution

The fourth proportional to 481,756.95, 664,823.30 and 266,897.16 is: 368,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,756.95 : 664,823.30 = 266,897.16 : x
  2. Step 2: Convert to fraction form
    481,756.95/664,823.30 = 266,897.16/x
  3. Step 3: Cross multiply
    481,756.95x = 664,823.30 × 266,897.16
  4. Step 4: Simplify right side
    481,756.95x = 177,439,449,337.34
  5. Step 5: Solve for x
    x = 177,439,449,337.34/481,756.95
  6. Step 6: Final answer
    x = 368,317.36

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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.