Home / 680,768.55-1,021,263.65-201,044.90

Finding the Fourth Proportional to 680,768.55, 1,021,263.65 and 201,044.90

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Solution

The fourth proportional to 680,768.55, 1,021,263.65 and 201,044.90 is: 301,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,768.55 : 1,021,263.65 = 201,044.90 : x
  2. Step 2: Convert to fraction form
    680,768.55/1,021,263.65 = 201,044.90/x
  3. Step 3: Cross multiply
    680,768.55x = 1,021,263.65 × 201,044.90
  4. Step 4: Simplify right side
    680,768.55x = 205,319,848,387.89
  5. Step 5: Solve for x
    x = 205,319,848,387.89/680,768.55
  6. Step 6: Final answer
    x = 301,600.08

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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.