Home / 1,228,529.14-1,842,887-418,661.86

Finding the Fourth Proportional to 1,228,529.14, 1,842,887 and 418,661.86

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Solution

The fourth proportional to 1,228,529.14, 1,842,887 and 418,661.86 is: 628,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,529.14 : 1,842,887 = 418,661.86 : x
  2. Step 2: Convert to fraction form
    1,228,529.14/1,842,887 = 418,661.86/x
  3. Step 3: Cross multiply
    1,228,529.14x = 1,842,887 × 418,661.86
  4. Step 4: Simplify right side
    1,228,529.14x = 771,546,499,189.82
  5. Step 5: Solve for x
    x = 771,546,499,189.82/1,228,529.14
  6. Step 6: Final answer
    x = 628,024.58

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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.