Home / 406,244.20-609,366.30-398,468.20

Finding the Fourth Proportional to 406,244.20, 609,366.30 and 398,468.20

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Solution

The fourth proportional to 406,244.20, 609,366.30 and 398,468.20 is: 597,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,244.20 : 609,366.30 = 398,468.20 : x
  2. Step 2: Convert to fraction form
    406,244.20/609,366.30 = 398,468.20/x
  3. Step 3: Cross multiply
    406,244.20x = 609,366.30 × 398,468.20
  4. Step 4: Simplify right side
    406,244.20x = 242,813,092,701.66
  5. Step 5: Solve for x
    x = 242,813,092,701.66/406,244.20
  6. Step 6: Final answer
    x = 597,702.30

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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.