Home / 798,424.44-1,101,818.16-492,378.48

Finding the Fourth Proportional to 798,424.44, 1,101,818.16 and 492,378.48

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Solution

The fourth proportional to 798,424.44, 1,101,818.16 and 492,378.48 is: 679,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,424.44 : 1,101,818.16 = 492,378.48 : x
  2. Step 2: Convert to fraction form
    798,424.44/1,101,818.16 = 492,378.48/x
  3. Step 3: Cross multiply
    798,424.44x = 1,101,818.16 × 492,378.48
  4. Step 4: Simplify right side
    798,424.44x = 542,511,550,857.20
  5. Step 5: Solve for x
    x = 542,511,550,857.20/798,424.44
  6. Step 6: Final answer
    x = 679,477.64

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1.5x scale

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.