Home / 1,119,199.80-1,679,455.80-409,299.60

Finding the Fourth Proportional to 1,119,199.80, 1,679,455.80 and 409,299.60

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Solution

The fourth proportional to 1,119,199.80, 1,679,455.80 and 409,299.60 is: 614,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,199.80 : 1,679,455.80 = 409,299.60 : x
  2. Step 2: Convert to fraction form
    1,119,199.80/1,679,455.80 = 409,299.60/x
  3. Step 3: Cross multiply
    1,119,199.80x = 1,679,455.80 × 409,299.60
  4. Step 4: Simplify right side
    1,119,199.80x = 687,400,587,157.68
  5. Step 5: Solve for x
    x = 687,400,587,157.68/1,119,199.80
  6. Step 6: Final answer
    x = 614,189.34

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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.