Home / 1,551,431.80-2,327,147.70-414,191.80

Finding the Fourth Proportional to 1,551,431.80, 2,327,147.70 and 414,191.80

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Solution

The fourth proportional to 1,551,431.80, 2,327,147.70 and 414,191.80 is: 621,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,431.80 : 2,327,147.70 = 414,191.80 : x
  2. Step 2: Convert to fraction form
    1,551,431.80/2,327,147.70 = 414,191.80/x
  3. Step 3: Cross multiply
    1,551,431.80x = 2,327,147.70 × 414,191.80
  4. Step 4: Simplify right side
    1,551,431.80x = 963,885,494,728.86
  5. Step 5: Solve for x
    x = 963,885,494,728.86/1,551,431.80
  6. Step 6: Final answer
    x = 621,287.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.