Home / 764,984.08-1,055,663.04-425,445.04

Finding the Fourth Proportional to 764,984.08, 1,055,663.04 and 425,445.04

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Solution

The fourth proportional to 764,984.08, 1,055,663.04 and 425,445.04 is: 587,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,984.08 : 1,055,663.04 = 425,445.04 : x
  2. Step 2: Convert to fraction form
    764,984.08/1,055,663.04 = 425,445.04/x
  3. Step 3: Cross multiply
    764,984.08x = 1,055,663.04 × 425,445.04
  4. Step 4: Simplify right side
    764,984.08x = 449,126,604,279.32
  5. Step 5: Solve for x
    x = 449,126,604,279.32/764,984.08
  6. Step 6: Final answer
    x = 587,105.82

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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.