Home / 683,709.96-1,025,662.14-210,434.76

Finding the Fourth Proportional to 683,709.96, 1,025,662.14 and 210,434.76

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Solution

The fourth proportional to 683,709.96, 1,025,662.14 and 210,434.76 is: 315,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,709.96 : 1,025,662.14 = 210,434.76 : x
  2. Step 2: Convert to fraction form
    683,709.96/1,025,662.14 = 210,434.76/x
  3. Step 3: Cross multiply
    683,709.96x = 1,025,662.14 × 210,434.76
  4. Step 4: Simplify right side
    683,709.96x = 215,834,966,271.99
  5. Step 5: Solve for x
    x = 215,834,966,271.99/683,709.96
  6. Step 6: Final answer
    x = 315,682.06

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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.