Home / 816,468.41-1,126,764.86-453,898.32

Finding the Fourth Proportional to 816,468.41, 1,126,764.86 and 453,898.32

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Solution

The fourth proportional to 816,468.41, 1,126,764.86 and 453,898.32 is: 626,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,468.41 : 1,126,764.86 = 453,898.32 : x
  2. Step 2: Convert to fraction form
    816,468.41/1,126,764.86 = 453,898.32/x
  3. Step 3: Cross multiply
    816,468.41x = 1,126,764.86 × 453,898.32
  4. Step 4: Simplify right side
    816,468.41x = 511,436,674,719.54
  5. Step 5: Solve for x
    x = 511,436,674,719.54/816,468.41
  6. Step 6: Final answer
    x = 626,401.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.