Home / 950,311.49-1,311,462.50-520,591.51

Finding the Fourth Proportional to 950,311.49, 1,311,462.50 and 520,591.51

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Solution

The fourth proportional to 950,311.49, 1,311,462.50 and 520,591.51 is: 718,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,311.49 : 1,311,462.50 = 520,591.51 : x
  2. Step 2: Convert to fraction form
    950,311.49/1,311,462.50 = 520,591.51/x
  3. Step 3: Cross multiply
    950,311.49x = 1,311,462.50 × 520,591.51
  4. Step 4: Simplify right side
    950,311.49x = 682,736,234,842.77
  5. Step 5: Solve for x
    x = 682,736,234,842.77/950,311.49
  6. Step 6: Final answer
    x = 718,434.16

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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.