Home / 860,650.38-1,187,660.07-473,441.25

Finding the Fourth Proportional to 860,650.38, 1,187,660.07 and 473,441.25

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Solution

The fourth proportional to 860,650.38, 1,187,660.07 and 473,441.25 is: 653,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,650.38 : 1,187,660.07 = 473,441.25 : x
  2. Step 2: Convert to fraction form
    860,650.38/1,187,660.07 = 473,441.25/x
  3. Step 3: Cross multiply
    860,650.38x = 1,187,660.07 × 473,441.25
  4. Step 4: Simplify right side
    860,650.38x = 562,287,268,115.89
  5. Step 5: Solve for x
    x = 562,287,268,115.89/860,650.38
  6. Step 6: Final answer
    x = 653,328.32

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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.