Home / 672,045.40-1,008,068.10-336,122.20

Finding the Fourth Proportional to 672,045.40, 1,008,068.10 and 336,122.20

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Solution

The fourth proportional to 672,045.40, 1,008,068.10 and 336,122.20 is: 504,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,045.40 : 1,008,068.10 = 336,122.20 : x
  2. Step 2: Convert to fraction form
    672,045.40/1,008,068.10 = 336,122.20/x
  3. Step 3: Cross multiply
    672,045.40x = 1,008,068.10 × 336,122.20
  4. Step 4: Simplify right side
    672,045.40x = 338,834,067,521.82
  5. Step 5: Solve for x
    x = 338,834,067,521.82/672,045.40
  6. Step 6: Final answer
    x = 504,183.30

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Half scale
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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.