Home / 950,819.14-1,312,140.72-521,090.02

Finding the Fourth Proportional to 950,819.14, 1,312,140.72 and 521,090.02

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Solution

The fourth proportional to 950,819.14, 1,312,140.72 and 521,090.02 is: 719,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,819.14 : 1,312,140.72 = 521,090.02 : x
  2. Step 2: Convert to fraction form
    950,819.14/1,312,140.72 = 521,090.02/x
  3. Step 3: Cross multiply
    950,819.14x = 1,312,140.72 × 521,090.02
  4. Step 4: Simplify right side
    950,819.14x = 683,743,434,027.61
  5. Step 5: Solve for x
    x = 683,743,434,027.61/950,819.14
  6. Step 6: Final answer
    x = 719,109.88

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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.