Home / 1,159,331.60-1,738,997.40-306,401.60

Finding the Fourth Proportional to 1,159,331.60, 1,738,997.40 and 306,401.60

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Solution

The fourth proportional to 1,159,331.60, 1,738,997.40 and 306,401.60 is: 459,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,331.60 : 1,738,997.40 = 306,401.60 : x
  2. Step 2: Convert to fraction form
    1,159,331.60/1,738,997.40 = 306,401.60/x
  3. Step 3: Cross multiply
    1,159,331.60x = 1,738,997.40 × 306,401.60
  4. Step 4: Simplify right side
    1,159,331.60x = 532,831,585,755.84
  5. Step 5: Solve for x
    x = 532,831,585,755.84/1,159,331.60
  6. Step 6: Final answer
    x = 459,602.40

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