Home / 931,454.10-1,397,181.15-333,090.90

Finding the Fourth Proportional to 931,454.10, 1,397,181.15 and 333,090.90

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Solution

The fourth proportional to 931,454.10, 1,397,181.15 and 333,090.90 is: 499,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,454.10 : 1,397,181.15 = 333,090.90 : x
  2. Step 2: Convert to fraction form
    931,454.10/1,397,181.15 = 333,090.90/x
  3. Step 3: Cross multiply
    931,454.10x = 1,397,181.15 × 333,090.90
  4. Step 4: Simplify right side
    931,454.10x = 465,388,326,716.54
  5. Step 5: Solve for x
    x = 465,388,326,716.54/931,454.10
  6. Step 6: Final answer
    x = 499,636.35

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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.