Home / 481,436.16-664,328.25-266,522.40

Finding the Fourth Proportional to 481,436.16, 664,328.25 and 266,522.40

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Solution

The fourth proportional to 481,436.16, 664,328.25 and 266,522.40 is: 367,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,436.16 : 664,328.25 = 266,522.40 : x
  2. Step 2: Convert to fraction form
    481,436.16/664,328.25 = 266,522.40/x
  3. Step 3: Cross multiply
    481,436.16x = 664,328.25 × 266,522.40
  4. Step 4: Simplify right side
    481,436.16x = 177,058,359,577.80
  5. Step 5: Solve for x
    x = 177,058,359,577.80/481,436.16
  6. Step 6: Final answer
    x = 367,771.21

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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.