Home / 756,281.82-1,043,655.53-412,120.79

Finding the Fourth Proportional to 756,281.82, 1,043,655.53 and 412,120.79

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Solution

The fourth proportional to 756,281.82, 1,043,655.53 and 412,120.79 is: 568,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,281.82 : 1,043,655.53 = 412,120.79 : x
  2. Step 2: Convert to fraction form
    756,281.82/1,043,655.53 = 412,120.79/x
  3. Step 3: Cross multiply
    756,281.82x = 1,043,655.53 × 412,120.79
  4. Step 4: Simplify right side
    756,281.82x = 430,112,134,232.59
  5. Step 5: Solve for x
    x = 430,112,134,232.59/756,281.82
  6. Step 6: Final answer
    x = 568,719.39

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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.