Home / 1,222,006.20-1,833,446.70-512,251.80

Finding the Fourth Proportional to 1,222,006.20, 1,833,446.70 and 512,251.80

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Solution

The fourth proportional to 1,222,006.20, 1,833,446.70 and 512,251.80 is: 768,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,006.20 : 1,833,446.70 = 512,251.80 : x
  2. Step 2: Convert to fraction form
    1,222,006.20/1,833,446.70 = 512,251.80/x
  3. Step 3: Cross multiply
    1,222,006.20x = 1,833,446.70 × 512,251.80
  4. Step 4: Simplify right side
    1,222,006.20x = 939,186,372,279.06
  5. Step 5: Solve for x
    x = 939,186,372,279.06/1,222,006.20
  6. Step 6: Final answer
    x = 768,561.05

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1.5x scale

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.