Home / 1,391,102.01-2,086,267.50-492,425.46

Finding the Fourth Proportional to 1,391,102.01, 2,086,267.50 and 492,425.46

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Solution

The fourth proportional to 1,391,102.01, 2,086,267.50 and 492,425.46 is: 738,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,102.01 : 2,086,267.50 = 492,425.46 : x
  2. Step 2: Convert to fraction form
    1,391,102.01/2,086,267.50 = 492,425.46/x
  3. Step 3: Cross multiply
    1,391,102.01x = 2,086,267.50 × 492,425.46
  4. Step 4: Simplify right side
    1,391,102.01x = 1,027,331,233,370.55
  5. Step 5: Solve for x
    x = 1,027,331,233,370.55/1,391,102.01
  6. Step 6: Final answer
    x = 738,501.72

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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.