Home / 1,210,958.32-1,816,436.38-571,112.80

Finding the Fourth Proportional to 1,210,958.32, 1,816,436.38 and 571,112.80

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Solution

The fourth proportional to 1,210,958.32, 1,816,436.38 and 571,112.80 is: 856,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,958.32 : 1,816,436.38 = 571,112.80 : x
  2. Step 2: Convert to fraction form
    1,210,958.32/1,816,436.38 = 571,112.80/x
  3. Step 3: Cross multiply
    1,210,958.32x = 1,816,436.38 × 571,112.80
  4. Step 4: Simplify right side
    1,210,958.32x = 1,037,390,067,003.66
  5. Step 5: Solve for x
    x = 1,037,390,067,003.66/1,210,958.32
  6. Step 6: Final answer
    x = 856,668.68

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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.