Home / 683,985.54-1,025,978.58-178,545.12

Finding the Fourth Proportional to 683,985.54, 1,025,978.58 and 178,545.12

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Solution

The fourth proportional to 683,985.54, 1,025,978.58 and 178,545.12 is: 267,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,985.54 : 1,025,978.58 = 178,545.12 : x
  2. Step 2: Convert to fraction form
    683,985.54/1,025,978.58 = 178,545.12/x
  3. Step 3: Cross multiply
    683,985.54x = 1,025,978.58 × 178,545.12
  4. Step 4: Simplify right side
    683,985.54x = 183,183,468,683.53
  5. Step 5: Solve for x
    x = 183,183,468,683.53/683,985.54
  6. Step 6: Final answer
    x = 267,817.75

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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.