Home / 464,863.20-697,294.80-323,145.60

Finding the Fourth Proportional to 464,863.20, 697,294.80 and 323,145.60

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Solution

The fourth proportional to 464,863.20, 697,294.80 and 323,145.60 is: 484,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,863.20 : 697,294.80 = 323,145.60 : x
  2. Step 2: Convert to fraction form
    464,863.20/697,294.80 = 323,145.60/x
  3. Step 3: Cross multiply
    464,863.20x = 697,294.80 × 323,145.60
  4. Step 4: Simplify right side
    464,863.20x = 225,327,746,522.88
  5. Step 5: Solve for x
    x = 225,327,746,522.88/464,863.20
  6. Step 6: Final answer
    x = 484,718.40

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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.