Home / 1,109,326.11-1,663,994.04-351,171.30

Finding the Fourth Proportional to 1,109,326.11, 1,663,994.04 and 351,171.30

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Solution

The fourth proportional to 1,109,326.11, 1,663,994.04 and 351,171.30 is: 526,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,326.11 : 1,663,994.04 = 351,171.30 : x
  2. Step 2: Convert to fraction form
    1,109,326.11/1,663,994.04 = 351,171.30/x
  3. Step 3: Cross multiply
    1,109,326.11x = 1,663,994.04 × 351,171.30
  4. Step 4: Simplify right side
    1,109,326.11x = 584,346,950,219.05
  5. Step 5: Solve for x
    x = 584,346,950,219.05/1,109,326.11
  6. Step 6: Final answer
    x = 526,758.49

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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.