Home / 1,100,091.72-1,650,139.02-301,380.24

Finding the Fourth Proportional to 1,100,091.72, 1,650,139.02 and 301,380.24

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Solution

The fourth proportional to 1,100,091.72, 1,650,139.02 and 301,380.24 is: 452,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,091.72 : 1,650,139.02 = 301,380.24 : x
  2. Step 2: Convert to fraction form
    1,100,091.72/1,650,139.02 = 301,380.24/x
  3. Step 3: Cross multiply
    1,100,091.72x = 1,650,139.02 × 301,380.24
  4. Step 4: Simplify right side
    1,100,091.72x = 497,319,293,880.97
  5. Step 5: Solve for x
    x = 497,319,293,880.97/1,100,091.72
  6. Step 6: Final answer
    x = 452,070.75

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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.