Home / 683,561.80-1,025,391.30-210,246.40

Finding the Fourth Proportional to 683,561.80, 1,025,391.30 and 210,246.40

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Solution

The fourth proportional to 683,561.80, 1,025,391.30 and 210,246.40 is: 315,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,561.80 : 1,025,391.30 = 210,246.40 : x
  2. Step 2: Convert to fraction form
    683,561.80/1,025,391.30 = 210,246.40/x
  3. Step 3: Cross multiply
    683,561.80x = 1,025,391.30 × 210,246.40
  4. Step 4: Simplify right side
    683,561.80x = 215,584,829,416.32
  5. Step 5: Solve for x
    x = 215,584,829,416.32/683,561.80
  6. Step 6: Final answer
    x = 315,384.55

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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.