Home / 492,441.03-679,568.81-266,086.53

Finding the Fourth Proportional to 492,441.03, 679,568.81 and 266,086.53

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Solution

The fourth proportional to 492,441.03, 679,568.81 and 266,086.53 is: 367,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,441.03 : 679,568.81 = 266,086.53 : x
  2. Step 2: Convert to fraction form
    492,441.03/679,568.81 = 266,086.53/x
  3. Step 3: Cross multiply
    492,441.03x = 679,568.81 × 266,086.53
  4. Step 4: Simplify right side
    492,441.03x = 180,824,105,218.70
  5. Step 5: Solve for x
    x = 180,824,105,218.70/492,441.03
  6. Step 6: Final answer
    x = 367,199.51

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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.