Home / 1,331,733.72-1,997,658.91-385,200.12

Finding the Fourth Proportional to 1,331,733.72, 1,997,658.91 and 385,200.12

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Solution

The fourth proportional to 1,331,733.72, 1,997,658.91 and 385,200.12 is: 577,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,733.72 : 1,997,658.91 = 385,200.12 : x
  2. Step 2: Convert to fraction form
    1,331,733.72/1,997,658.91 = 385,200.12/x
  3. Step 3: Cross multiply
    1,331,733.72x = 1,997,658.91 × 385,200.12
  4. Step 4: Simplify right side
    1,331,733.72x = 769,498,457,657.04
  5. Step 5: Solve for x
    x = 769,498,457,657.04/1,331,733.72
  6. Step 6: Final answer
    x = 577,817.05

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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.