Home / 1,213,181.76-1,819,780.02-539,104.62

Finding the Fourth Proportional to 1,213,181.76, 1,819,780.02 and 539,104.62

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Solution

The fourth proportional to 1,213,181.76, 1,819,780.02 and 539,104.62 is: 808,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,181.76 : 1,819,780.02 = 539,104.62 : x
  2. Step 2: Convert to fraction form
    1,213,181.76/1,819,780.02 = 539,104.62/x
  3. Step 3: Cross multiply
    1,213,181.76x = 1,819,780.02 × 539,104.62
  4. Step 4: Simplify right side
    1,213,181.76x = 981,051,816,165.69
  5. Step 5: Solve for x
    x = 981,051,816,165.69/1,213,181.76
  6. Step 6: Final answer
    x = 808,660.21

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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.