Home / 830,703.52-1,246,055.14-199,617.34

Finding the Fourth Proportional to 830,703.52, 1,246,055.14 and 199,617.34

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Solution

The fourth proportional to 830,703.52, 1,246,055.14 and 199,617.34 is: 299,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,703.52 : 1,246,055.14 = 199,617.34 : x
  2. Step 2: Convert to fraction form
    830,703.52/1,246,055.14 = 199,617.34/x
  3. Step 3: Cross multiply
    830,703.52x = 1,246,055.14 × 199,617.34
  4. Step 4: Simplify right side
    830,703.52x = 248,734,212,540.13
  5. Step 5: Solve for x
    x = 248,734,212,540.13/830,703.52
  6. Step 6: Final answer
    x = 299,425.98

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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.