Home / 930,116.40-1,395,174.60-256,301.70

Finding the Fourth Proportional to 930,116.40, 1,395,174.60 and 256,301.70

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Solution

The fourth proportional to 930,116.40, 1,395,174.60 and 256,301.70 is: 384,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,116.40 : 1,395,174.60 = 256,301.70 : x
  2. Step 2: Convert to fraction form
    930,116.40/1,395,174.60 = 256,301.70/x
  3. Step 3: Cross multiply
    930,116.40x = 1,395,174.60 × 256,301.70
  4. Step 4: Simplify right side
    930,116.40x = 357,585,621,776.82
  5. Step 5: Solve for x
    x = 357,585,621,776.82/930,116.40
  6. Step 6: Final answer
    x = 384,452.55

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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.