Home / 823,233.40-1,234,850.10-403,329.40

Finding the Fourth Proportional to 823,233.40, 1,234,850.10 and 403,329.40

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Solution

The fourth proportional to 823,233.40, 1,234,850.10 and 403,329.40 is: 604,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,233.40 : 1,234,850.10 = 403,329.40 : x
  2. Step 2: Convert to fraction form
    823,233.40/1,234,850.10 = 403,329.40/x
  3. Step 3: Cross multiply
    823,233.40x = 1,234,850.10 × 403,329.40
  4. Step 4: Simplify right side
    823,233.40x = 498,051,349,922.94
  5. Step 5: Solve for x
    x = 498,051,349,922.94/823,233.40
  6. Step 6: Final answer
    x = 604,994.10

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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.