Home / 950,256.57-1,311,357.84-520,539.69

Finding the Fourth Proportional to 950,256.57, 1,311,357.84 and 520,539.69

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Solution

The fourth proportional to 950,256.57, 1,311,357.84 and 520,539.69 is: 718,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,256.57 : 1,311,357.84 = 520,539.69 : x
  2. Step 2: Convert to fraction form
    950,256.57/1,311,357.84 = 520,539.69/x
  3. Step 3: Cross multiply
    950,256.57x = 1,311,357.84 × 520,539.69
  4. Step 4: Simplify right side
    950,256.57x = 682,613,803,512.67
  5. Step 5: Solve for x
    x = 682,613,803,512.67/950,256.57
  6. Step 6: Final answer
    x = 718,346.84

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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.