Home / 806,364.50-1,112,760.62-457,568.44

Finding the Fourth Proportional to 806,364.50, 1,112,760.62 and 457,568.44

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Solution

The fourth proportional to 806,364.50, 1,112,760.62 and 457,568.44 is: 631,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,364.50 : 1,112,760.62 = 457,568.44 : x
  2. Step 2: Convert to fraction form
    806,364.50/1,112,760.62 = 457,568.44/x
  3. Step 3: Cross multiply
    806,364.50x = 1,112,760.62 × 457,568.44
  4. Step 4: Simplify right side
    806,364.50x = 509,164,140,986.83
  5. Step 5: Solve for x
    x = 509,164,140,986.83/806,364.50
  6. Step 6: Final answer
    x = 631,431.74

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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.