Home / 738,534.03-1,019,181.42-411,867.69

Finding the Fourth Proportional to 738,534.03, 1,019,181.42 and 411,867.69

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Solution

The fourth proportional to 738,534.03, 1,019,181.42 and 411,867.69 is: 568,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,534.03 : 1,019,181.42 = 411,867.69 : x
  2. Step 2: Convert to fraction form
    738,534.03/1,019,181.42 = 411,867.69/x
  3. Step 3: Cross multiply
    738,534.03x = 1,019,181.42 × 411,867.69
  4. Step 4: Simplify right side
    738,534.03x = 419,767,897,146.32
  5. Step 5: Solve for x
    x = 419,767,897,146.32/738,534.03
  6. Step 6: Final answer
    x = 568,379.90

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Double scale
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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.