Home / 984,811.20-1,477,265.40-512,419.20

Finding the Fourth Proportional to 984,811.20, 1,477,265.40 and 512,419.20

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Solution

The fourth proportional to 984,811.20, 1,477,265.40 and 512,419.20 is: 768,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,811.20 : 1,477,265.40 = 512,419.20 : x
  2. Step 2: Convert to fraction form
    984,811.20/1,477,265.40 = 512,419.20/x
  3. Step 3: Cross multiply
    984,811.20x = 1,477,265.40 × 512,419.20
  4. Step 4: Simplify right side
    984,811.20x = 756,979,154,455.68
  5. Step 5: Solve for x
    x = 756,979,154,455.68/984,811.20
  6. Step 6: Final answer
    x = 768,654.09

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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.