Home / 950,311.22-1,311,444.35-520,562.98

Finding the Fourth Proportional to 950,311.22, 1,311,444.35 and 520,562.98

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Solution

The fourth proportional to 950,311.22, 1,311,444.35 and 520,562.98 is: 718,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,311.22 : 1,311,444.35 = 520,562.98 : x
  2. Step 2: Convert to fraction form
    950,311.22/1,311,444.35 = 520,562.98/x
  3. Step 3: Cross multiply
    950,311.22x = 1,311,444.35 × 520,562.98
  4. Step 4: Simplify right side
    950,311.22x = 682,689,378,940.16
  5. Step 5: Solve for x
    x = 682,689,378,940.16/950,311.22
  6. Step 6: Final answer
    x = 718,385.06

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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.