Home / 283,729.37-391,574.14-211,984.83

Finding the Fourth Proportional to 283,729.37, 391,574.14 and 211,984.83

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Solution

The fourth proportional to 283,729.37, 391,574.14 and 211,984.83 is: 292,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,729.37 : 391,574.14 = 211,984.83 : x
  2. Step 2: Convert to fraction form
    283,729.37/391,574.14 = 211,984.83/x
  3. Step 3: Cross multiply
    283,729.37x = 391,574.14 × 211,984.83
  4. Step 4: Simplify right side
    283,729.37x = 83,007,776,970.33
  5. Step 5: Solve for x
    x = 83,007,776,970.33/283,729.37
  6. Step 6: Final answer
    x = 292,559.70

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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.