Home / 756,321.66-1,043,710.38-412,160.58

Finding the Fourth Proportional to 756,321.66, 1,043,710.38 and 412,160.58

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Solution

The fourth proportional to 756,321.66, 1,043,710.38 and 412,160.58 is: 568,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,321.66 : 1,043,710.38 = 412,160.58 : x
  2. Step 2: Convert to fraction form
    756,321.66/1,043,710.38 = 412,160.58/x
  3. Step 3: Cross multiply
    756,321.66x = 1,043,710.38 × 412,160.58
  4. Step 4: Simplify right side
    756,321.66x = 430,176,275,572.82
  5. Step 5: Solve for x
    x = 430,176,275,572.82/756,321.66
  6. Step 6: Final answer
    x = 568,774.24

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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.