Home / 860,701.86-1,188,018.63-574,221.20

Finding the Fourth Proportional to 860,701.86, 1,188,018.63 and 574,221.20

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Solution

The fourth proportional to 860,701.86, 1,188,018.63 and 574,221.20 is: 792,592.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,701.86 : 1,188,018.63 = 574,221.20 : x
  2. Step 2: Convert to fraction form
    860,701.86/1,188,018.63 = 574,221.20/x
  3. Step 3: Cross multiply
    860,701.86x = 1,188,018.63 × 574,221.20
  4. Step 4: Simplify right side
    860,701.86x = 682,185,477,400.86
  5. Step 5: Solve for x
    x = 682,185,477,400.86/860,701.86
  6. Step 6: Final answer
    x = 792,592.08

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Half scale
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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.