Home / 860,077.44-1,186,763.40-478,052.28

Finding the Fourth Proportional to 860,077.44, 1,186,763.40 and 478,052.28

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Solution

The fourth proportional to 860,077.44, 1,186,763.40 and 478,052.28 is: 659,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,077.44 : 1,186,763.40 = 478,052.28 : x
  2. Step 2: Convert to fraction form
    860,077.44/1,186,763.40 = 478,052.28/x
  3. Step 3: Cross multiply
    860,077.44x = 1,186,763.40 × 478,052.28
  4. Step 4: Simplify right side
    860,077.44x = 567,334,949,190.55
  5. Step 5: Solve for x
    x = 567,334,949,190.55/860,077.44
  6. Step 6: Final answer
    x = 659,632.40

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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.