Home / 621,260.60-931,890.84-200,598.44

Finding the Fourth Proportional to 621,260.60, 931,890.84 and 200,598.44

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Solution

The fourth proportional to 621,260.60, 931,890.84 and 200,598.44 is: 300,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,260.60 : 931,890.84 = 200,598.44 : x
  2. Step 2: Convert to fraction form
    621,260.60/931,890.84 = 200,598.44/x
  3. Step 3: Cross multiply
    621,260.60x = 931,890.84 × 200,598.44
  4. Step 4: Simplify right side
    621,260.60x = 186,935,848,754.29
  5. Step 5: Solve for x
    x = 186,935,848,754.29/621,260.60
  6. Step 6: Final answer
    x = 300,897.64

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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.