Home / 695,974.54-1,043,836.64-316,807.06

Finding the Fourth Proportional to 695,974.54, 1,043,836.64 and 316,807.06

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Solution

The fourth proportional to 695,974.54, 1,043,836.64 and 316,807.06 is: 475,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,974.54 : 1,043,836.64 = 316,807.06 : x
  2. Step 2: Convert to fraction form
    695,974.54/1,043,836.64 = 316,807.06/x
  3. Step 3: Cross multiply
    695,974.54x = 1,043,836.64 × 316,807.06
  4. Step 4: Simplify right side
    695,974.54x = 330,694,817,038.68
  5. Step 5: Solve for x
    x = 330,694,817,038.68/695,974.54
  6. Step 6: Final answer
    x = 475,153.61

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1.5x scale

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.