Home / 427,765.80-590,322.02-236,796.84

Finding the Fourth Proportional to 427,765.80, 590,322.02 and 236,796.84

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Solution

The fourth proportional to 427,765.80, 590,322.02 and 236,796.84 is: 326,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,765.80 : 590,322.02 = 236,796.84 : x
  2. Step 2: Convert to fraction form
    427,765.80/590,322.02 = 236,796.84/x
  3. Step 3: Cross multiply
    427,765.80x = 590,322.02 × 236,796.84
  4. Step 4: Simplify right side
    427,765.80x = 139,786,388,918.42
  5. Step 5: Solve for x
    x = 139,786,388,918.42/427,765.80
  6. Step 6: Final answer
    x = 326,782.53

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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.