Home / 759,372.40-1,139,058.60-459,698.73

Finding the Fourth Proportional to 759,372.40, 1,139,058.60 and 459,698.73

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Solution

The fourth proportional to 759,372.40, 1,139,058.60 and 459,698.73 is: 689,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,372.40 : 1,139,058.60 = 459,698.73 : x
  2. Step 2: Convert to fraction form
    759,372.40/1,139,058.60 = 459,698.73/x
  3. Step 3: Cross multiply
    759,372.40x = 1,139,058.60 × 459,698.73
  4. Step 4: Simplify right side
    759,372.40x = 523,623,786,120.29
  5. Step 5: Solve for x
    x = 523,623,786,120.29/759,372.40
  6. Step 6: Final answer
    x = 689,548.09

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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.