Home / 783,189.45-1,174,784.18-250,727.85

Finding the Fourth Proportional to 783,189.45, 1,174,784.18 and 250,727.85

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Solution

The fourth proportional to 783,189.45, 1,174,784.18 and 250,727.85 is: 376,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,189.45 : 1,174,784.18 = 250,727.85 : x
  2. Step 2: Convert to fraction form
    783,189.45/1,174,784.18 = 250,727.85/x
  3. Step 3: Cross multiply
    783,189.45x = 1,174,784.18 × 250,727.85
  4. Step 4: Simplify right side
    783,189.45x = 294,551,110,411.77
  5. Step 5: Solve for x
    x = 294,551,110,411.77/783,189.45
  6. Step 6: Final answer
    x = 376,091.78

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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.