Home / 698,974.80-1,048,462.20-225,675.60

Finding the Fourth Proportional to 698,974.80, 1,048,462.20 and 225,675.60

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Solution

The fourth proportional to 698,974.80, 1,048,462.20 and 225,675.60 is: 338,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,974.80 : 1,048,462.20 = 225,675.60 : x
  2. Step 2: Convert to fraction form
    698,974.80/1,048,462.20 = 225,675.60/x
  3. Step 3: Cross multiply
    698,974.80x = 1,048,462.20 × 225,675.60
  4. Step 4: Simplify right side
    698,974.80x = 236,612,336,062.32
  5. Step 5: Solve for x
    x = 236,612,336,062.32/698,974.80
  6. Step 6: Final answer
    x = 338,513.40

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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.