Home / 729,609.48-1,007,322.48-500,550.12

Finding the Fourth Proportional to 729,609.48, 1,007,322.48 and 500,550.12

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Solution

The fourth proportional to 729,609.48, 1,007,322.48 and 500,550.12 is: 691,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,609.48 : 1,007,322.48 = 500,550.12 : x
  2. Step 2: Convert to fraction form
    729,609.48/1,007,322.48 = 500,550.12/x
  3. Step 3: Cross multiply
    729,609.48x = 1,007,322.48 × 500,550.12
  4. Step 4: Simplify right side
    729,609.48x = 504,215,388,242.70
  5. Step 5: Solve for x
    x = 504,215,388,242.70/729,609.48
  6. Step 6: Final answer
    x = 691,075.71

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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.