Home / 1,222,009.20-1,833,451.20-512,254.80

Finding the Fourth Proportional to 1,222,009.20, 1,833,451.20 and 512,254.80

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Solution

The fourth proportional to 1,222,009.20, 1,833,451.20 and 512,254.80 is: 768,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,009.20 : 1,833,451.20 = 512,254.80 : x
  2. Step 2: Convert to fraction form
    1,222,009.20/1,833,451.20 = 512,254.80/x
  3. Step 3: Cross multiply
    1,222,009.20x = 1,833,451.20 × 512,254.80
  4. Step 4: Simplify right side
    1,222,009.20x = 939,194,177,765.76
  5. Step 5: Solve for x
    x = 939,194,177,765.76/1,222,009.20
  6. Step 6: Final answer
    x = 768,565.55

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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.