Home / 756,350.92-1,043,764.48-412,186.98

Finding the Fourth Proportional to 756,350.92, 1,043,764.48 and 412,186.98

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Solution

The fourth proportional to 756,350.92, 1,043,764.48 and 412,186.98 is: 568,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,350.92 : 1,043,764.48 = 412,186.98 : x
  2. Step 2: Convert to fraction form
    756,350.92/1,043,764.48 = 412,186.98/x
  3. Step 3: Cross multiply
    756,350.92x = 1,043,764.48 × 412,186.98
  4. Step 4: Simplify right side
    756,350.92x = 430,226,128,842.47
  5. Step 5: Solve for x
    x = 430,226,128,842.47/756,350.92
  6. Step 6: Final answer
    x = 568,818.15

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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.