Home / 954,782.72-1,432,173.60-454,630.40

Finding the Fourth Proportional to 954,782.72, 1,432,173.60 and 454,630.40

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Solution

The fourth proportional to 954,782.72, 1,432,173.60 and 454,630.40 is: 681,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,782.72 : 1,432,173.60 = 454,630.40 : x
  2. Step 2: Convert to fraction form
    954,782.72/1,432,173.60 = 454,630.40/x
  3. Step 3: Cross multiply
    954,782.72x = 1,432,173.60 × 454,630.40
  4. Step 4: Simplify right side
    954,782.72x = 651,109,656,637.44
  5. Step 5: Solve for x
    x = 651,109,656,637.44/954,782.72
  6. Step 6: Final answer
    x = 681,945.37

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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.