Home / 621,046.24-931,569.28-200,322.12

Finding the Fourth Proportional to 621,046.24, 931,569.28 and 200,322.12

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Solution

The fourth proportional to 621,046.24, 931,569.28 and 200,322.12 is: 300,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,046.24 : 931,569.28 = 200,322.12 : x
  2. Step 2: Convert to fraction form
    621,046.24/931,569.28 = 200,322.12/x
  3. Step 3: Cross multiply
    621,046.24x = 931,569.28 × 200,322.12
  4. Step 4: Simplify right side
    621,046.24x = 186,613,933,096.47
  5. Step 5: Solve for x
    x = 186,613,933,096.47/621,046.24
  6. Step 6: Final answer
    x = 300,483.15

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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.