Home / 734,380.76-1,013,442.72-412,090.13

Finding the Fourth Proportional to 734,380.76, 1,013,442.72 and 412,090.13

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Solution

The fourth proportional to 734,380.76, 1,013,442.72 and 412,090.13 is: 568,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,380.76 : 1,013,442.72 = 412,090.13 : x
  2. Step 2: Convert to fraction form
    734,380.76/1,013,442.72 = 412,090.13/x
  3. Step 3: Cross multiply
    734,380.76x = 1,013,442.72 × 412,090.13
  4. Step 4: Simplify right side
    734,380.76x = 417,629,742,232.35
  5. Step 5: Solve for x
    x = 417,629,742,232.35/734,380.76
  6. Step 6: Final answer
    x = 568,682.85

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.