Home / 672,028.40-1,008,042.60-555,388.40

Finding the Fourth Proportional to 672,028.40, 1,008,042.60 and 555,388.40

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Solution

The fourth proportional to 672,028.40, 1,008,042.60 and 555,388.40 is: 833,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,028.40 : 1,008,042.60 = 555,388.40 : x
  2. Step 2: Convert to fraction form
    672,028.40/1,008,042.60 = 555,388.40/x
  3. Step 3: Cross multiply
    672,028.40x = 1,008,042.60 × 555,388.40
  4. Step 4: Simplify right side
    672,028.40x = 559,855,166,745.84
  5. Step 5: Solve for x
    x = 559,855,166,745.84/672,028.40
  6. Step 6: Final answer
    x = 833,082.60

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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.