Home / 930,218.03-1,395,077.25-256,138.85

Finding the Fourth Proportional to 930,218.03, 1,395,077.25 and 256,138.85

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Solution

The fourth proportional to 930,218.03, 1,395,077.25 and 256,138.85 is: 384,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,218.03 : 1,395,077.25 = 256,138.85 : x
  2. Step 2: Convert to fraction form
    930,218.03/1,395,077.25 = 256,138.85/x
  3. Step 3: Cross multiply
    930,218.03x = 1,395,077.25 × 256,138.85
  4. Step 4: Simplify right side
    930,218.03x = 357,333,475,500.78
  5. Step 5: Solve for x
    x = 357,333,475,500.78/930,218.03
  6. Step 6: Final answer
    x = 384,139.49

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Double scale
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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.