Home / 910,840.32-1,366,257.60-245,992.32

Finding the Fourth Proportional to 910,840.32, 1,366,257.60 and 245,992.32

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Solution

The fourth proportional to 910,840.32, 1,366,257.60 and 245,992.32 is: 368,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,840.32 : 1,366,257.60 = 245,992.32 : x
  2. Step 2: Convert to fraction form
    910,840.32/1,366,257.60 = 245,992.32/x
  3. Step 3: Cross multiply
    910,840.32x = 1,366,257.60 × 245,992.32
  4. Step 4: Simplify right side
    910,840.32x = 336,088,876,741.63
  5. Step 5: Solve for x
    x = 336,088,876,741.63/910,840.32
  6. Step 6: Final answer
    x = 368,987.70

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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.