Home / 742,067.96-1,024,054.11-419,771.18

Finding the Fourth Proportional to 742,067.96, 1,024,054.11 and 419,771.18

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Solution

The fourth proportional to 742,067.96, 1,024,054.11 and 419,771.18 is: 579,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,067.96 : 1,024,054.11 = 419,771.18 : x
  2. Step 2: Convert to fraction form
    742,067.96/1,024,054.11 = 419,771.18/x
  3. Step 3: Cross multiply
    742,067.96x = 1,024,054.11 × 419,771.18
  4. Step 4: Simplify right side
    742,067.96x = 429,868,404,698.69
  5. Step 5: Solve for x
    x = 429,868,404,698.69/742,067.96
  6. Step 6: Final answer
    x = 579,284.42

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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.