Home / 691,242.30-1,036,863.45-573,144.30

Finding the Fourth Proportional to 691,242.30, 1,036,863.45 and 573,144.30

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Solution

The fourth proportional to 691,242.30, 1,036,863.45 and 573,144.30 is: 859,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,242.30 : 1,036,863.45 = 573,144.30 : x
  2. Step 2: Convert to fraction form
    691,242.30/1,036,863.45 = 573,144.30/x
  3. Step 3: Cross multiply
    691,242.30x = 1,036,863.45 × 573,144.30
  4. Step 4: Simplify right side
    691,242.30x = 594,272,376,245.84
  5. Step 5: Solve for x
    x = 594,272,376,245.84/691,242.30
  6. Step 6: Final answer
    x = 859,716.45

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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.