Home / 1,222,000.20-1,833,437.70-512,245.80

Finding the Fourth Proportional to 1,222,000.20, 1,833,437.70 and 512,245.80

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Solution

The fourth proportional to 1,222,000.20, 1,833,437.70 and 512,245.80 is: 768,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,000.20 : 1,833,437.70 = 512,245.80 : x
  2. Step 2: Convert to fraction form
    1,222,000.20/1,833,437.70 = 512,245.80/x
  3. Step 3: Cross multiply
    1,222,000.20x = 1,833,437.70 × 512,245.80
  4. Step 4: Simplify right side
    1,222,000.20x = 939,170,761,386.66
  5. Step 5: Solve for x
    x = 939,170,761,386.66/1,222,000.20
  6. Step 6: Final answer
    x = 768,552.05

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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.