Home / 756,567.78-1,134,890.55-195,607.14

Finding the Fourth Proportional to 756,567.78, 1,134,890.55 and 195,607.14

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Solution

The fourth proportional to 756,567.78, 1,134,890.55 and 195,607.14 is: 293,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,567.78 : 1,134,890.55 = 195,607.14 : x
  2. Step 2: Convert to fraction form
    756,567.78/1,134,890.55 = 195,607.14/x
  3. Step 3: Cross multiply
    756,567.78x = 1,134,890.55 × 195,607.14
  4. Step 4: Simplify right side
    756,567.78x = 221,992,694,698.53
  5. Step 5: Solve for x
    x = 221,992,694,698.53/756,567.78
  6. Step 6: Final answer
    x = 293,420.76

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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.