Home / 1,002,071.20-1,503,106.80-254,117.20

Finding the Fourth Proportional to 1,002,071.20, 1,503,106.80 and 254,117.20

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Solution

The fourth proportional to 1,002,071.20, 1,503,106.80 and 254,117.20 is: 381,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,071.20 : 1,503,106.80 = 254,117.20 : x
  2. Step 2: Convert to fraction form
    1,002,071.20/1,503,106.80 = 254,117.20/x
  3. Step 3: Cross multiply
    1,002,071.20x = 1,503,106.80 × 254,117.20
  4. Step 4: Simplify right side
    1,002,071.20x = 381,965,291,316.96
  5. Step 5: Solve for x
    x = 381,965,291,316.96/1,002,071.20
  6. Step 6: Final answer
    x = 381,175.80

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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.