Home / 756,301.32-1,043,682.44-412,140.29

Finding the Fourth Proportional to 756,301.32, 1,043,682.44 and 412,140.29

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Solution

The fourth proportional to 756,301.32, 1,043,682.44 and 412,140.29 is: 568,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,301.32 : 1,043,682.44 = 412,140.29 : x
  2. Step 2: Convert to fraction form
    756,301.32/1,043,682.44 = 412,140.29/x
  3. Step 3: Cross multiply
    756,301.32x = 1,043,682.44 × 412,140.29
  4. Step 4: Simplify right side
    756,301.32x = 430,143,576,210.39
  5. Step 5: Solve for x
    x = 430,143,576,210.39/756,301.32
  6. Step 6: Final answer
    x = 568,746.30

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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.