Home / 830,714.49-1,246,071.59-199,628.31

Finding the Fourth Proportional to 830,714.49, 1,246,071.59 and 199,628.31

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Solution

The fourth proportional to 830,714.49, 1,246,071.59 and 199,628.31 is: 299,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,714.49 : 1,246,071.59 = 199,628.31 : x
  2. Step 2: Convert to fraction form
    830,714.49/1,246,071.59 = 199,628.31/x
  3. Step 3: Cross multiply
    830,714.49x = 1,246,071.59 × 199,628.31
  4. Step 4: Simplify right side
    830,714.49x = 248,751,164,652.57
  5. Step 5: Solve for x
    x = 248,751,164,652.57/830,714.49
  6. Step 6: Final answer
    x = 299,442.43

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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.