Home / 825,654.88-1,139,388.92-463,079.44

Finding the Fourth Proportional to 825,654.88, 1,139,388.92 and 463,079.44

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Solution

The fourth proportional to 825,654.88, 1,139,388.92 and 463,079.44 is: 639,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,654.88 : 1,139,388.92 = 463,079.44 : x
  2. Step 2: Convert to fraction form
    825,654.88/1,139,388.92 = 463,079.44/x
  3. Step 3: Cross multiply
    825,654.88x = 1,139,388.92 × 463,079.44
  4. Step 4: Simplify right side
    825,654.88x = 527,627,583,015.81
  5. Step 5: Solve for x
    x = 527,627,583,015.81/825,654.88
  6. Step 6: Final answer
    x = 639,041.32

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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.