Home / 881,481.72-1,216,427.38-514,027.38

Finding the Fourth Proportional to 881,481.72, 1,216,427.38 and 514,027.38

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Solution

The fourth proportional to 881,481.72, 1,216,427.38 and 514,027.38 is: 709,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,481.72 : 1,216,427.38 = 514,027.38 : x
  2. Step 2: Convert to fraction form
    881,481.72/1,216,427.38 = 514,027.38/x
  3. Step 3: Cross multiply
    881,481.72x = 1,216,427.38 × 514,027.38
  4. Step 4: Simplify right side
    881,481.72x = 625,276,979,101.66
  5. Step 5: Solve for x
    x = 625,276,979,101.66/881,481.72
  6. Step 6: Final answer
    x = 709,347.64

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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.