Home / 914,719.40-1,372,079.10-416,083.40

Finding the Fourth Proportional to 914,719.40, 1,372,079.10 and 416,083.40

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Solution

The fourth proportional to 914,719.40, 1,372,079.10 and 416,083.40 is: 624,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,719.40 : 1,372,079.10 = 416,083.40 : x
  2. Step 2: Convert to fraction form
    914,719.40/1,372,079.10 = 416,083.40/x
  3. Step 3: Cross multiply
    914,719.40x = 1,372,079.10 × 416,083.40
  4. Step 4: Simplify right side
    914,719.40x = 570,899,336,996.94
  5. Step 5: Solve for x
    x = 570,899,336,996.94/914,719.40
  6. Step 6: Final answer
    x = 624,125.10

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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.