Home / 689,189.22-950,941.76-402,653.95

Finding the Fourth Proportional to 689,189.22, 950,941.76 and 402,653.95

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Solution

The fourth proportional to 689,189.22, 950,941.76 and 402,653.95 is: 555,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,189.22 : 950,941.76 = 402,653.95 : x
  2. Step 2: Convert to fraction form
    689,189.22/950,941.76 = 402,653.95/x
  3. Step 3: Cross multiply
    689,189.22x = 950,941.76 × 402,653.95
  4. Step 4: Simplify right side
    689,189.22x = 382,900,451,493.33
  5. Step 5: Solve for x
    x = 382,900,451,493.33/689,189.22
  6. Step 6: Final answer
    x = 555,581.02

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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.