Home / 791,863.60-1,187,795.40-223,243.60

Finding the Fourth Proportional to 791,863.60, 1,187,795.40 and 223,243.60

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Solution

The fourth proportional to 791,863.60, 1,187,795.40 and 223,243.60 is: 334,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,863.60 : 1,187,795.40 = 223,243.60 : x
  2. Step 2: Convert to fraction form
    791,863.60/1,187,795.40 = 223,243.60/x
  3. Step 3: Cross multiply
    791,863.60x = 1,187,795.40 × 223,243.60
  4. Step 4: Simplify right side
    791,863.60x = 265,167,721,159.44
  5. Step 5: Solve for x
    x = 265,167,721,159.44/791,863.60
  6. Step 6: Final answer
    x = 334,865.40

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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.