Home / 683,168.72-1,025,378.10-346,441.76

Finding the Fourth Proportional to 683,168.72, 1,025,378.10 and 346,441.76

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Solution

The fourth proportional to 683,168.72, 1,025,378.10 and 346,441.76 is: 519,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,168.72 : 1,025,378.10 = 346,441.76 : x
  2. Step 2: Convert to fraction form
    683,168.72/1,025,378.10 = 346,441.76/x
  3. Step 3: Cross multiply
    683,168.72x = 1,025,378.10 × 346,441.76
  4. Step 4: Simplify right side
    683,168.72x = 355,233,793,629.46
  5. Step 5: Solve for x
    x = 355,233,793,629.46/683,168.72
  6. Step 6: Final answer
    x = 519,979.59

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Double scale
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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.