Home / 825,247.05-1,138,843.83-519,525.72

Finding the Fourth Proportional to 825,247.05, 1,138,843.83 and 519,525.72

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Solution

The fourth proportional to 825,247.05, 1,138,843.83 and 519,525.72 is: 716,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,247.05 : 1,138,843.83 = 519,525.72 : x
  2. Step 2: Convert to fraction form
    825,247.05/1,138,843.83 = 519,525.72/x
  3. Step 3: Cross multiply
    825,247.05x = 1,138,843.83 × 519,525.72
  4. Step 4: Simplify right side
    825,247.05x = 591,658,660,748.31
  5. Step 5: Solve for x
    x = 591,658,660,748.31/825,247.05
  6. Step 6: Final answer
    x = 716,947.32

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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.