Home / 739,645.20-1,107,718.20-501,699.60

Finding the Fourth Proportional to 739,645.20, 1,107,718.20 and 501,699.60

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Solution

The fourth proportional to 739,645.20, 1,107,718.20 and 501,699.60 is: 751,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,645.20 : 1,107,718.20 = 501,699.60 : x
  2. Step 2: Convert to fraction form
    739,645.20/1,107,718.20 = 501,699.60/x
  3. Step 3: Cross multiply
    739,645.20x = 1,107,718.20 × 501,699.60
  4. Step 4: Simplify right side
    739,645.20x = 555,741,777,852.72
  5. Step 5: Solve for x
    x = 555,741,777,852.72/739,645.20
  6. Step 6: Final answer
    x = 751,362.65

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1.5x scale

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.