Home / 683,610.30-1,025,415.45-417,671.10

Finding the Fourth Proportional to 683,610.30, 1,025,415.45 and 417,671.10

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Solution

The fourth proportional to 683,610.30, 1,025,415.45 and 417,671.10 is: 626,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,610.30 : 1,025,415.45 = 417,671.10 : x
  2. Step 2: Convert to fraction form
    683,610.30/1,025,415.45 = 417,671.10/x
  3. Step 3: Cross multiply
    683,610.30x = 1,025,415.45 × 417,671.10
  4. Step 4: Simplify right side
    683,610.30x = 428,286,398,958.50
  5. Step 5: Solve for x
    x = 428,286,398,958.50/683,610.30
  6. Step 6: Final answer
    x = 626,506.65

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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.