Home / 984,216.60-1,358,218.90-531,507.56

Finding the Fourth Proportional to 984,216.60, 1,358,218.90 and 531,507.56

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Solution

The fourth proportional to 984,216.60, 1,358,218.90 and 531,507.56 is: 733,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,216.60 : 1,358,218.90 = 531,507.56 : x
  2. Step 2: Convert to fraction form
    984,216.60/1,358,218.90 = 531,507.56/x
  3. Step 3: Cross multiply
    984,216.60x = 1,358,218.90 × 531,507.56
  4. Step 4: Simplify right side
    984,216.60x = 721,903,613,484.88
  5. Step 5: Solve for x
    x = 721,903,613,484.88/984,216.60
  6. Step 6: Final answer
    x = 733,480.43

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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.