Home / 914,744.40-1,372,116.60-416,108.40

Finding the Fourth Proportional to 914,744.40, 1,372,116.60 and 416,108.40

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Solution

The fourth proportional to 914,744.40, 1,372,116.60 and 416,108.40 is: 624,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,744.40 : 1,372,116.60 = 416,108.40 : x
  2. Step 2: Convert to fraction form
    914,744.40/1,372,116.60 = 416,108.40/x
  3. Step 3: Cross multiply
    914,744.40x = 1,372,116.60 × 416,108.40
  4. Step 4: Simplify right side
    914,744.40x = 570,949,243,039.44
  5. Step 5: Solve for x
    x = 570,949,243,039.44/914,744.40
  6. Step 6: Final answer
    x = 624,162.60

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