Home / 756,351.05-1,043,764.65-412,187.13

Finding the Fourth Proportional to 756,351.05, 1,043,764.65 and 412,187.13

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Solution

The fourth proportional to 756,351.05, 1,043,764.65 and 412,187.13 is: 568,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,351.05 : 1,043,764.65 = 412,187.13 : x
  2. Step 2: Convert to fraction form
    756,351.05/1,043,764.65 = 412,187.13/x
  3. Step 3: Cross multiply
    756,351.05x = 1,043,764.65 × 412,187.13
  4. Step 4: Simplify right side
    756,351.05x = 430,226,355,478.96
  5. Step 5: Solve for x
    x = 430,226,355,478.96/756,351.05
  6. Step 6: Final answer
    x = 568,818.35

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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.