Home / 950,308.49-1,311,426.09-520,590.26

Finding the Fourth Proportional to 950,308.49, 1,311,426.09 and 520,590.26

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Solution

The fourth proportional to 950,308.49, 1,311,426.09 and 520,590.26 is: 718,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,308.49 : 1,311,426.09 = 520,590.26 : x
  2. Step 2: Convert to fraction form
    950,308.49/1,311,426.09 = 520,590.26/x
  3. Step 3: Cross multiply
    950,308.49x = 1,311,426.09 × 520,590.26
  4. Step 4: Simplify right side
    950,308.49x = 682,715,642,606.75
  5. Step 5: Solve for x
    x = 682,715,642,606.75/950,308.49
  6. Step 6: Final answer
    x = 718,414.76

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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.