Home / 1,109,209.32-1,663,813.98-361,255.32

Finding the Fourth Proportional to 1,109,209.32, 1,663,813.98 and 361,255.32

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Solution

The fourth proportional to 1,109,209.32, 1,663,813.98 and 361,255.32 is: 541,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,209.32 : 1,663,813.98 = 361,255.32 : x
  2. Step 2: Convert to fraction form
    1,109,209.32/1,663,813.98 = 361,255.32/x
  3. Step 3: Cross multiply
    1,109,209.32x = 1,663,813.98 × 361,255.32
  4. Step 4: Simplify right side
    1,109,209.32x = 601,061,651,765.37
  5. Step 5: Solve for x
    x = 601,061,651,765.37/1,109,209.32
  6. Step 6: Final answer
    x = 541,882.98

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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.