Home / 825,451.68-1,139,366.64-539,016.48

Finding the Fourth Proportional to 825,451.68, 1,139,366.64 and 539,016.48

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Solution

The fourth proportional to 825,451.68, 1,139,366.64 and 539,016.48 is: 744,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,451.68 : 1,139,366.64 = 539,016.48 : x
  2. Step 2: Convert to fraction form
    825,451.68/1,139,366.64 = 539,016.48/x
  3. Step 3: Cross multiply
    825,451.68x = 1,139,366.64 × 539,016.48
  4. Step 4: Simplify right side
    825,451.68x = 614,137,395,722.23
  5. Step 5: Solve for x
    x = 614,137,395,722.23/825,451.68
  6. Step 6: Final answer
    x = 744,001.63

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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.