Home / 683,983.92-1,026,086.16-210,669.12

Finding the Fourth Proportional to 683,983.92, 1,026,086.16 and 210,669.12

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Solution

The fourth proportional to 683,983.92, 1,026,086.16 and 210,669.12 is: 316,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,983.92 : 1,026,086.16 = 210,669.12 : x
  2. Step 2: Convert to fraction form
    683,983.92/1,026,086.16 = 210,669.12/x
  3. Step 3: Cross multiply
    683,983.92x = 1,026,086.16 × 210,669.12
  4. Step 4: Simplify right side
    683,983.92x = 216,164,668,371.38
  5. Step 5: Solve for x
    x = 216,164,668,371.38/683,983.92
  6. Step 6: Final answer
    x = 316,037.65

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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.