Home / 597,079.20-895,618.80-408,122.40

Finding the Fourth Proportional to 597,079.20, 895,618.80 and 408,122.40

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Solution

The fourth proportional to 597,079.20, 895,618.80 and 408,122.40 is: 612,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,079.20 : 895,618.80 = 408,122.40 : x
  2. Step 2: Convert to fraction form
    597,079.20/895,618.80 = 408,122.40/x
  3. Step 3: Cross multiply
    597,079.20x = 895,618.80 × 408,122.40
  4. Step 4: Simplify right side
    597,079.20x = 365,522,094,141.12
  5. Step 5: Solve for x
    x = 365,522,094,141.12/597,079.20
  6. Step 6: Final answer
    x = 612,183.60

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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.