Home / 806,700.70-1,210,051.05-541,279.90

Finding the Fourth Proportional to 806,700.70, 1,210,051.05 and 541,279.90

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Solution

The fourth proportional to 806,700.70, 1,210,051.05 and 541,279.90 is: 811,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,700.70 : 1,210,051.05 = 541,279.90 : x
  2. Step 2: Convert to fraction form
    806,700.70/1,210,051.05 = 541,279.90/x
  3. Step 3: Cross multiply
    806,700.70x = 1,210,051.05 × 541,279.90
  4. Step 4: Simplify right side
    806,700.70x = 654,976,311,338.90
  5. Step 5: Solve for x
    x = 654,976,311,338.90/806,700.70
  6. Step 6: Final answer
    x = 811,919.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.