Home / 860,700.92-1,188,017.41-574,220.33

Finding the Fourth Proportional to 860,700.92, 1,188,017.41 and 574,220.33

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Solution

The fourth proportional to 860,700.92, 1,188,017.41 and 574,220.33 is: 792,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,700.92 : 1,188,017.41 = 574,220.33 : x
  2. Step 2: Convert to fraction form
    860,700.92/1,188,017.41 = 574,220.33/x
  3. Step 3: Cross multiply
    860,700.92x = 1,188,017.41 × 574,220.33
  4. Step 4: Simplify right side
    860,700.92x = 682,183,743,275.86
  5. Step 5: Solve for x
    x = 682,183,743,275.86/860,700.92
  6. Step 6: Final answer
    x = 792,590.93

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.