Home / 683,772.40-1,025,658.60-459,823.60

Finding the Fourth Proportional to 683,772.40, 1,025,658.60 and 459,823.60

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Solution

The fourth proportional to 683,772.40, 1,025,658.60 and 459,823.60 is: 689,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,772.40 : 1,025,658.60 = 459,823.60 : x
  2. Step 2: Convert to fraction form
    683,772.40/1,025,658.60 = 459,823.60/x
  3. Step 3: Cross multiply
    683,772.40x = 1,025,658.60 × 459,823.60
  4. Step 4: Simplify right side
    683,772.40x = 471,622,029,822.96
  5. Step 5: Solve for x
    x = 471,622,029,822.96/683,772.40
  6. Step 6: Final answer
    x = 689,735.40

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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.