Home / 965,043.30-1,331,819.34-557,219.64

Finding the Fourth Proportional to 965,043.30, 1,331,819.34 and 557,219.64

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Solution

The fourth proportional to 965,043.30, 1,331,819.34 and 557,219.64 is: 768,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,043.30 : 1,331,819.34 = 557,219.64 : x
  2. Step 2: Convert to fraction form
    965,043.30/1,331,819.34 = 557,219.64/x
  3. Step 3: Cross multiply
    965,043.30x = 1,331,819.34 × 557,219.64
  4. Step 4: Simplify right side
    965,043.30x = 742,115,893,179.84
  5. Step 5: Solve for x
    x = 742,115,893,179.84/965,043.30
  6. Step 6: Final answer
    x = 768,997.51

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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.