Home / 860,992.38-1,188,139.67-473,771.60

Finding the Fourth Proportional to 860,992.38, 1,188,139.67 and 473,771.60

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Solution

The fourth proportional to 860,992.38, 1,188,139.67 and 473,771.60 is: 653,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,992.38 : 1,188,139.67 = 473,771.60 : x
  2. Step 2: Convert to fraction form
    860,992.38/1,188,139.67 = 473,771.60/x
  3. Step 3: Cross multiply
    860,992.38x = 1,188,139.67 × 473,771.60
  4. Step 4: Simplify right side
    860,992.38x = 562,906,824,169.82
  5. Step 5: Solve for x
    x = 562,906,824,169.82/860,992.38
  6. Step 6: Final answer
    x = 653,788.39

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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.