Home / 708,568.56-1,062,671.40-209,815.92

Finding the Fourth Proportional to 708,568.56, 1,062,671.40 and 209,815.92

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Solution

The fourth proportional to 708,568.56, 1,062,671.40 and 209,815.92 is: 314,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,568.56 : 1,062,671.40 = 209,815.92 : x
  2. Step 2: Convert to fraction form
    708,568.56/1,062,671.40 = 209,815.92/x
  3. Step 3: Cross multiply
    708,568.56x = 1,062,671.40 × 209,815.92
  4. Step 4: Simplify right side
    708,568.56x = 222,965,377,448.69
  5. Step 5: Solve for x
    x = 222,965,377,448.69/708,568.56
  6. Step 6: Final answer
    x = 314,670.15

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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.