Home / 681,459.35-1,021,059.07-414,412.07

Finding the Fourth Proportional to 681,459.35, 1,021,059.07 and 414,412.07

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Solution

The fourth proportional to 681,459.35, 1,021,059.07 and 414,412.07 is: 620,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,459.35 : 1,021,059.07 = 414,412.07 : x
  2. Step 2: Convert to fraction form
    681,459.35/1,021,059.07 = 414,412.07/x
  3. Step 3: Cross multiply
    681,459.35x = 1,021,059.07 × 414,412.07
  4. Step 4: Simplify right side
    681,459.35x = 423,139,196,649.65
  5. Step 5: Solve for x
    x = 423,139,196,649.65/681,459.35
  6. Step 6: Final answer
    x = 620,930.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.