Home / 860,992.10-1,188,169.71-479,019.14

Finding the Fourth Proportional to 860,992.10, 1,188,169.71 and 479,019.14

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Solution

The fourth proportional to 860,992.10, 1,188,169.71 and 479,019.14 is: 661,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,992.10 : 1,188,169.71 = 479,019.14 : x
  2. Step 2: Convert to fraction form
    860,992.10/1,188,169.71 = 479,019.14/x
  3. Step 3: Cross multiply
    860,992.10x = 1,188,169.71 × 479,019.14
  4. Step 4: Simplify right side
    860,992.10x = 569,156,032,658.25
  5. Step 5: Solve for x
    x = 569,156,032,658.25/860,992.10
  6. Step 6: Final answer
    x = 661,046.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.