Home / 756,277.32-1,043,649.32-412,116.28

Finding the Fourth Proportional to 756,277.32, 1,043,649.32 and 412,116.28

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Solution

The fourth proportional to 756,277.32, 1,043,649.32 and 412,116.28 is: 568,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,277.32 : 1,043,649.32 = 412,116.28 : x
  2. Step 2: Convert to fraction form
    756,277.32/1,043,649.32 = 412,116.28/x
  3. Step 3: Cross multiply
    756,277.32x = 1,043,649.32 × 412,116.28
  4. Step 4: Simplify right side
    756,277.32x = 430,104,875,382.93
  5. Step 5: Solve for x
    x = 430,104,875,382.93/756,277.32
  6. Step 6: Final answer
    x = 568,713.17

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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.