Home / 984,216.10-1,358,218.21-531,507.06

Finding the Fourth Proportional to 984,216.10, 1,358,218.21 and 531,507.06

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Solution

The fourth proportional to 984,216.10, 1,358,218.21 and 531,507.06 is: 733,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,216.10 : 1,358,218.21 = 531,507.06 : x
  2. Step 2: Convert to fraction form
    984,216.10/1,358,218.21 = 531,507.06/x
  3. Step 3: Cross multiply
    984,216.10x = 1,358,218.21 × 531,507.06
  4. Step 4: Simplify right side
    984,216.10x = 721,902,567,635.56
  5. Step 5: Solve for x
    x = 721,902,567,635.56/984,216.10
  6. Step 6: Final answer
    x = 733,479.74

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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.