Home / 742,086.75-1,113,311.30-236,647.74

Finding the Fourth Proportional to 742,086.75, 1,113,311.30 and 236,647.74

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Solution

The fourth proportional to 742,086.75, 1,113,311.30 and 236,647.74 is: 355,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,086.75 : 1,113,311.30 = 236,647.74 : x
  2. Step 2: Convert to fraction form
    742,086.75/1,113,311.30 = 236,647.74/x
  3. Step 3: Cross multiply
    742,086.75x = 1,113,311.30 × 236,647.74
  4. Step 4: Simplify right side
    742,086.75x = 263,462,601,878.22
  5. Step 5: Solve for x
    x = 263,462,601,878.22/742,086.75
  6. Step 6: Final answer
    x = 355,029.38

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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.