Home / 1,022,121.13-1,533,255.53-414,617.68

Finding the Fourth Proportional to 1,022,121.13, 1,533,255.53 and 414,617.68

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Solution

The fourth proportional to 1,022,121.13, 1,533,255.53 and 414,617.68 is: 621,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,121.13 : 1,533,255.53 = 414,617.68 : x
  2. Step 2: Convert to fraction form
    1,022,121.13/1,533,255.53 = 414,617.68/x
  3. Step 3: Cross multiply
    1,022,121.13x = 1,533,255.53 × 414,617.68
  4. Step 4: Simplify right side
    1,022,121.13x = 635,714,850,695.77
  5. Step 5: Solve for x
    x = 635,714,850,695.77/1,022,121.13
  6. Step 6: Final answer
    x = 621,956.47

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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.