Home / 683,073.78-1,024,660.18-262,349.66

Finding the Fourth Proportional to 683,073.78, 1,024,660.18 and 262,349.66

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Solution

The fourth proportional to 683,073.78, 1,024,660.18 and 262,349.66 is: 393,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,073.78 : 1,024,660.18 = 262,349.66 : x
  2. Step 2: Convert to fraction form
    683,073.78/1,024,660.18 = 262,349.66/x
  3. Step 3: Cross multiply
    683,073.78x = 1,024,660.18 × 262,349.66
  4. Step 4: Simplify right side
    683,073.78x = 268,819,249,838.54
  5. Step 5: Solve for x
    x = 268,819,249,838.54/683,073.78
  6. Step 6: Final answer
    x = 393,543.51

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Double scale
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Similar ratio
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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.